text:
Als Listenregeln bezeichnet man die in einem Präferenzabkommen genannten Be- oder Verarbeitungen, die an Vormaterialien ohne Ursprungseigenschaft vorgenommen werden müssen, damit dem hergestellten Erzeugnis die Ursprungseigenschaft zuerkannt wird.

Die Listenregeln werden nach HS-Nummern geordnet in einem Anhang zum jeweiligen Präferenzabkommen festgelegt.

Vereinfacht ausgedrückt werden in den als Anhang zu den Abkommen festgelegten Listen die jeweiligen Arbeitsschritte erfasst, welche in einem Staat be- oder verarbeitete Waren, deren Ursprung in einem anderen Staat liegt, rechtlich den Waren mit Ursprung in dem Staat der Be- oder Verarbeitung gleichstellen.

Als Beispiel sei eine Dieselmotorfabrik in Land A genannt. Die Bauteile des Motors kommen aus Land B und haben im Einkauf einen Wert von 80 Euro. Dieser Dieselmotor wird vollständig aus diesen Bauteilen aus Land B zusammengesetzt und der Verkaufspreis liegt bei 190 Euro. Der Wert der Einzelteile beträgt mit 80 Euro ca. 42 % des Verkaufspreises von 190 Euro. Der Dieselmotor gilt somit nicht als Ursprungserzeugnis von Land A, da die Wertschöpfung unter der in der Listenregel (siehe unten) geforderten liegt. Hätte der Motor einen Verkaufspreis von 200 Euro, wäre die Voraussetzung (Wertanteil der Bauteile nicht über 40 % vom Verkaufspreis) genau erfüllt, da dieser Wert nicht überschritten werden darf. Der Motor wäre dann ein Ursprungserzeugnis von Land A und fiele unter das Präferenzabkommen.

Beispiele von Listenregeln

Die Erfüllung der Listenregeln wird, wie die Erfüllung anderer Präferenzregeln auch, durch die jeweils zuständigen Behörden des Ursprungslandes mit der Ausstellung eines Präferenznachweises belegt. Diese sind z. B. EUR.1 oder Form A.

Einzelnachweise

Siehe auch
Präferenzkalkulation, Ursprungsland, Zollpräferenz

Weblinks
 Stabilisierungsabkommen zwischen der Europäischen Union und der Republik Kroatien (vom 13. Dezember 2004; PDF-Datei; 975 kB)
 Präferenzieller Ursprung: Begriffserläuterungen

Außenwirtschaftsrecht
Zoll


text:
DC Government, Petworth
Dear PoP – Billy Simpson's House of Seafood May Be Designated a Historic Site
Prince Of Petworth April 8, 2009 at 11:16pm
"Dear PoP,
Just wondering if you had done a story before on Billy Simpson's House of Seafood?"
See recommendation for historic status here.
Wow, how random. The building, shown above, looks rather ordinary.
The pdf above says:
"After careful consideration, the staff recommends that the Historic Preservation Review Board designate Billy Simpson's House of Seafood and Steaks, 3815 Avenue, NW, as a landmark to be entered in the D.C Inventory of Historic Sites. It is further recommended that the nomination be forwarded to the National Register of Historic Places.
The two-story brick commercial/residential building at 3815 Georgia Avenue was constructed in 1923 as one in a four-unit row on the west side of Georgia Avenue, a largely commercial but decidedly mixed-use corridor. The row was designed in the typical, early-twentieth-century, two-part commercial block, with apartments over stores. As originally conceived, the buildings are not pure examples of a style, but reflect cost-conscious efficiency in design and plan, with minimal historicist detail in the form of a prominent cornice evocative of a number of eclectic revival styles."
Do you think this is a good choice to be designated a historic site?
I Haven't Seen a New No Dog Crapping Sign in a WhileCan We Prioritize Our Outrage?

redpajama_set_name: RedPajamaCommonCrawl


The Circuits editor in Tinkercad is a great, risk-free way to learn and play with electronics. For many, it's also a tool for documenting and saving circuit designs and ideas. Now, with the ability to add annotation to your circuits, teachers, students and tinkerers can better describe useful details of their electronic creations.
You can think of annotation like sticky notes for your circuit. To create one, open a circuit design in the Tinkercad Circuits editor and click on the speech bubble icon in the top left menu bar. This same icon will appear in your design, and you can drag it to any element you'd like to annotate. Clicking on the design element will anchor the annotation, and you'll be prompted to write your note.
The annotation bubble can be repositioned around the anchor point by simply dragging the bubble. Repositioning the bubble can be useful so that the text doesn't obscure the element you're writing about.
In addition, there is a View/Hide option next to the Annotation icon in the menu bar, allowing you to hide or reveal all of your annotations with a single click.
We hope you'll find annotations to be a great addition to your circuit designs. Show us how you put it to use by sharing your circuits with us on Twitter or Facebook.
Maker, Tinkercad team member, and host of Maker Update. Enjoys 3D printing, Power Racing Series, and Raspberry Pi robotics.


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After Breakfast drive for Pangong Lake 14,500 ft, via Changla Pass 17,350 ft, 3rd Highest Motorable road in the world, On arrival check in to the Camp. Rest of the day at leisure to enjoy beauty of the high altitude of the Lake, surrounded by grey and brown mountains, clean and dust washed. Count the waves washing the shores of the color changing Lake and be mesmerized by the different shades of blue from Azure to Navy Blue. Overnight in Pangong Lake.
Morning after breakfast drive to Tsomoriri Lake via Chushul. Arrival at Korzok village by noon, Evening take a walk around the Lake to enjoy the scenic beauty, watch the shades of green and blue mix together as the rolling grass lands surround the lake. Overnight in Korzok.
Morning after breakfast leave to Leh by a different route via Puga (Sulphur Mine), Tsokar Lake and Taklang La Pass 17,585ft, 2nd Highest motorable road in the world. Arrival at Leh by evening. Overnight in Leh.
Morning after breakfast drive for Khardongla Pass, World's highest motorable road at 18380 feet. Later, return to hotels, rest of the day free to explore the local market at one's disposal. Overnight in Leh.


Carrier reports 2Q loss of $2.9M USA Truck off 35 cents a share by Dalton LaFerney | August 3, 2017 at 2:04 a.m.
Graphs showing USA Truck Inc. second quarter information.
USA Truck reported late Wednesday a loss of nearly $3 million for its second quarter, the sixth consecutive quarter without posting a profit and missing analyst's estimates for the period.
The company reported a loss of $2.9 million for the period ending June 30, compared with a loss of $1.3 million for the same period last year. The company lost 35 cents per share for the period compared with a loss of 15 cents per share for the second quarter of 2016. A consensus of three analysts surveyed by Yahoo Finance predicted a loss of 10 cents per share.
Revenue this quarter was about $107.4 million compared with $109.8 million for the same period last year. One analyst surveyed by Yahoo predicted the company would report $99.6 million.
In a prepared statement, USA Truck Chief Executive James Reed noted that leadership changes have drawn the company into the spotlight as it grapples with its direction.
"We filled out our leadership team during the quarter, with both previously announced and new additions," Reed said. "Each of these leaders personify the type of principled, focused, experienced, and results-driven individuals we hope will drive USA Truck to its full potential."
Consolidated expenses jumped by almost $100,000, the company said in a release. The most notable increase came from purchased transportation, which cost USA Truck about $41 million this second quarter, up $3 million from the same period last year.
From the trucking segment, the company made about $62.7 million in revenue but had $67.5 million in expenses, about $2 million less than 2016's second-quarter expenses in the segment. The logistics segment raked in $33.3 million, with about $31.4 million in expenses. USA Truck spent more than a $1 million in this segment compared with the same time last year.
USA Truck, based in Van Buren, is in line with others in this sector, as companies are spending more money this second quarter than in 2016, quarterly reports show.
J.B. Hunt Transport Services spent about $1.5 billion in the period from April to June, while in 2016 during the same time, the company spent about $1.4 billion. P.A.M. Transportation Services spent about $105.7 million in the second quarter of 2017, and $104 million last year.
USA Truck will host its conference call to investors today.
The company's stock fell 1 percent Wednesday, closing at $8.81 in trading on the Nasdaq prior to the earnings release.


Color Sensational® Lipstick is rated 4.2 out of 5 by 106.
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Rated 5 out of 5 by Nanc Marie from I Love It! I always wear red because it's the best color for me. I tried Barely There # 205 and I love it! It's a warm beigy pink, looks very pretty is well pigmented. I'm very happy with this lipstick, and it's quality at an affordable price.
I used to wear F320 Sunlit Bronze and 290 Sugared Bronze but can no longer find them in the stores. Can you tell me which lipstick you now have that is close to those colors. I really loved them.
What shades of red lipstick go best with pale skin? I always feel overwhelmed when trying to pick out a red because I don't know what is right for my skin tone. Thanks!
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Are the colour sensational lipsticks eye safe?
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Which color lip liner would pair best with 'Berry Bliss'?
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text:
Imprint: Vintage Classics
A User's Manual
In this ingenious book Perec creates an entire microcosm in a Paris apartment block. Serge Valene wants to make an elaborate painting of the building he has made his home for the last sixty years. As he plans his picture, he contemplates the lives of all the people he has ever known there. Chapter by chapter, the narrative moves around the building revealing a marvellously diverse cast of characters in a series of every more unlikely tales, which range from an avenging murderer to an eccentric English millionaire who has devised the ultimate pastime...
"A dazzling, crazy-quilt monument to the imagination"
The Art and Craft of Approaching Your Head of Department to Submit a Request for a Raise
Things: A Story of the Sixties with A Man Asleep
W or The Memory of Childhood
Species of Spaces and Other Pieces
A Void
Georges Perec (1936-82) won the Prix Renaudot in 1965 for his first novel Things: A Story of the Sixties, and went on to exercise his unrivalled mastery of language in almost every imaginable kind of writing, from the apparently trivial to the deeply personal. He composed acrostics, anagrams, autobiography, criticism, crosswords, descriptions of dreams, film scripts, heterograms, lipograms, memories, palindromes, plays, poetry, radio plays, recipes, riddles, stories short and long, travel notes, univocalics, and, of course, novels. Life: A User's Manual, which draws on many of Perec's other works, appeared in 1978 after nine years in the making and was acclaimed a masterpiece to put beside Joyce's Ulysses. It won the Prix Medicis and established Perec's international reputation.


text:
\section{Introduction}
Robinson--Trautman spacetimes represent an important class of geometries defined by the requirement of possessing an expanding, nontwisting and nonshearing null geodesic congruence \cite{RobinsonTrautman:1960,RobinsonTrautman:1962,Stephanietal:book,Griffiths:book}. This class contains non-spherical generalizations of black holes without rotation (Schwarzschild solution is a special case in this class, unlike the Kerr black hole). In general, Robinson--Trautman spacetimes do not posses any Killing vectors thus providing solutions devoid of symmetry. Another important aspect of this family is the presence of gravitational radiation connected with the dynamical nature of general solutions within this class. Many global properties of this class in four dimensions have been studied analytically, especially in the last 25 years. In particular, based on the only nontrivial Einstein equation (so-called Robinson--Trautman equation) the asymptotic evolution and global structure of vacuum Robinson--Trautman spacetimes of type~II with spherical topology were investigated by Chru\'{s}ciel and Singleton \cite{Chru1,Chru2,ChruSin}. They showed that characteristic initial value problem for generic, arbitrarily strong smooth initial data converges asymptotically in retarded time to corresponding Schwarzschild metric near its future horizon. Extensions across such ``Schwarzschild-like'' future event horizon are only of a finite order of smoothness. These results were later extended to cover the presence of a cosmological constant which naturally modifies the asymptotic behavior and the solutions tend to Schwarzschild--(anti-)de Sitter \cite{podbic95,podbic97}. Finally, the  Chru\'{s}ciel--Singleton analysis was used for Robinson--Trautman spacetimes admitting additionally pure radiation \cite{BicakPerjes,PodSvi:2005}, where the asymptotic state is described by spherically symmetric \mbox{Vaidya--(anti-)de~Sitter} metric. The location of past quasilocal horizon (which cannot be determined as an event horizon due to the impossibility to extend the solutions to past null infinity) together with the proof of its existence and uniqueness for the vacuum Robinson--Trautman solutions have been studied by Tod \cite{tod}. Later, Chow and Lun \cite{chow-lun} further analyzed properties of this horizon and made numerical study of both the horizon equation and the Robinson--Trautman equation. The analytic results were generalized to nonvanishing cosmological constant \cite{PodSvi:2009}. The relation between asymptotic momentum and local horizon curvature in Robinson--Trautman class was used in the analytic explanation of an "antikick" appearing in numerical studies of asymmetric binary black hole merger \cite{rezzolla}. Recently, solution with minimally coupled free scalar field was derived in \cite{Tahamtan-Svitek-PRD} and shown to posses singularity which is initially naked and only later gets covered by horizon.

\sloppy

Type D vacuum solutions of Robinson-Trautman family contain, apart from Schwarzschild solution, also the C-metric \cite{Krtous} representing uniformly accelerated pair of black holes. C-metric is as well a natural future asymptotics in case of non-smooth initial data for certain subclass of Robinson-Trautman spacetime \cite{Hoenselaers}. By leaving out the usual spherical topology assumption one can obtain a special case of Kasner metric \cite{Stephanietal:book}. Including null radiation source into type D leads to, e.g. Vaidya solution or Kinnersley's rocket \cite{Kinnersley} which is interpreted as an object propelled by emitting directional null radiation (these "rocket" solutions can be generalized to type II). All type D null radiation metrics are known \cite{Frolov}.

\fussy

Vacuum type N solutions which correspond to spacetimes containing just gravitational radiation have singularity at each wave surface which combine into singular lines \cite{Stephanietal:book,Griffiths:book}. The general solution was given by Foster and Newman \cite{Foster} and they are frequently used to form various sandwich-type waves \cite{Griffiths}. There are no pure radiation solutions of type N.

There is also a higher-dimensional generalization of Robinson--Trautman spacetimes (containing aligned pure radiation and a cosmological constant) which, however, lacks the rich dynamics present in four dimensions \cite{podolsky-ortaggio}. The existence of horizons (which have generally richer topology than in four dimensions) in this case was subsequently analyzed in \cite{Svitek2011}. These higher-dimensional solutions were as well generalized to admit a source in the form of p-form fields \cite{ortaggio1}.

Robinson--Trautman spacetimes with Maxwell field were already derived in the founding paper of this family of solutions \cite{RobinsonTrautman:1962}. Later they were studied more extensively \cite{Lind,Newman,Kozameh1}. Among the special cases of these solutions belong Reissner--Nordstr\"{o}m black hole and charged C-metric but it was also shown that this subfamily suffers from non well-posedness \cite{Kozameh2}. The higher-dimensional generalization of Robinson--Trautman spacetimes coupled to Maxwell electrodynamics was derived in \cite{ortaggio2}.

Nonlinear Electrodynamics (NE) was founded almost a century ago and used mainly as a solution to the problem of divergent field of a point charge in the vicinity of its position (see e.g. \cite{Dirac}) also giving satisfactory self-energy of charged particle. The best-known and frequently used form of the theory was introduced already in 1934 by Born and Infeld \cite{BornInfeld}. Nice overview with a lot of useful information was given in a book by Pleba\'{n}ski \cite{Plebanski}. More recently, the attention to Nonlinear Electrodynamics was increased thanks to the discovery that string-generated corrections to Maxwell field have the form of original Born--Infeld theory \cite{Wiltshire}. However, it was also noted that the electric displacement vector in Born--Infeld model has two possible values for single value of electric field. This non-uniqueness was soon solved by adding the so called Hoffmann term \cite{Hoffmann} in Born--Infeld Lagrangian. Additionally, this new model was also used to resolve the spacetime singularity in spherically symmetric case \cite{TT-PhysLettA}.

Later, other NE models were considered for both solving the point charge singularity and resolving the spacetime singularity \cite{Ayon-Beato1,Ayon-Beato2}. Note, however, that these results were obtained in the Hamiltonian framework and their Legendre transform is far from trivial \cite{Bronnikov}. One important example is the so-called Bardeen black hole \cite{Bardeen} which was originally discovered as a regular solution with horizon generated by certain stress energy tensor. Only later this source was interpreted as being created by a specific model of NE \cite{Ayon-Beato3} which, however, does not have a Maxwell limit (in weak field regime).

\sloppy

Many spherically symmetric solutions of Einstein equations with NE were studied, mostly with the Born--Infeld Lagrangian \cite{BI}, logarithmic Lagrangians \cite{Soleng,Hendi-Rad}, square root lagrangian \cite{square root}, power Maxwell models \cite{power Maxwell} and other forms \cite{Hendi,Oliveira,Habib}. These solutions are mostly thought of as a model of a charged particle. However, since General Relativity is a nonlinear theory, one should study the stability of such models nonperturbatively.

\fussy

Our aim here is to derive Robinson--Trautman solutions coupled to several forms of NE Lagrangians in order to investigate the influence of nonsphericity in this family on the results gained previously in highly symmetric situations. Since spherically symmetric solutions are a special sub case of Robinson--Trautman spacetime it is a natural family to consider for nonlinear stability investigation.

\section{Vacuum Robinson--Trautman solutions and field equations}
\label{RTmetricsec}

The general form of a vacuum Robinson--Trautman spacetime can be represented by the following line element \cite{RobinsonTrautman:1960,RobinsonTrautman:1962,Stephanietal:book,Griffiths:book}
\begin{equation}\label{RTmetric}
{\rm d} s^2_{RT}= -2H\,{\rm d} u^2-\,2\,{\rm d} u\,{\rm d} r + \frac{r^2}{{P}^2}\,({\rm d} x^{2} + {\rm d} y^{2}),
\end{equation}
with ${2H = \Delta(\,\ln {P}) -2r(\,\ln {P})_{,u} -{2m/r} -(\Lambda/3) r^2}$,
\begin{equation}\label{Laplace}
\Delta\equiv {P}^2(\partial_{xx}+\partial_{yy}),
\end{equation}
and where $\Lambda$ is the cosmological constant. The metric depends on two functions, ${\,{P}(u,x,y)\,}$ and ${\,m(u)\,}$, which satisfy the nonlinear fourth-order PDE (so called Robinson--Trautman equation)
\begin{equation}
\Delta\Delta(\,\ln {P})+12\,m(\,\ln {P})_{,u}-4\,m_{,u}=0\,.
\label{RTequationgen}
\end{equation}
The function $m(u)$ might be set to a constant by a suitable coordinate transformation for vacuum solution. However, for a null radiation field source which is aligned with the principal null direction the solution represents generalization of Vaydia spacetime with time-dependent $m(u)$.

The spacetime is defined by geodesic, shearfree, twistfree and expanding null congruence generated by ${\mbox{\boldmath$k$}=\partial_r}$. The coordinate $r\in (0,\infty)$ is an affine parameter along this congruence, $u\in (u_{0},\infty)$~is a retarded time coordinate (the initial data for this class of spacetimes are specified on null hypersurface $u=u_{0}$), and $x,y$ are spatial coordinates spanning transversal 2-space which have Gaussian curvature (for ${r=1}$)
\begin{equation}
{K}(u,x,y)\equiv\Delta(\,\ln {P})\,.
\label{RTGausscurvature}
\end{equation}
If we select the transversal 2-spaces to be topological spheres (standard assumption in this class) then $x,y$ are real stereographic-type coordinates on a deformed spheres $r=const, u=const$. For general fixed values of $r$ and $u$, the Gaussian curvature is ${{K}/r^2}$ so that, as ${r\to\infty}$, they become locally flat.

\section{Robinson--Trautman and static spherically symmetric solutions}\label{Method}
\fussy
In this section we will develop a generating method to obtain a Robinson--Trautman solution coupled to NE based on a static spherically symmetric spacetime solution with NE. In order to have a straightforward generalization, we use the Kerr--Schild-type modification of the vacuum Robinson--Trautman metric. First, we find the Einstein equations for Robinson--Trautman spacetime coupled to NE and then compare them to SSS ones. Based on the similarities we formulate the theorem summarizing the generating method.
\sloppy

We consider the following action, describing nonlinear electrodynamics coupled to gravity,
\begin{equation}\label{action}
	S=\int d^{4}x \sqrt{-g}[\mathcal{R}-2\Lambda+\mathcal{L}(F)]
\end{equation}
where $\mathcal{R}$ is the Ricci scalar for the metric $g_{\mu \nu}$ and Lagrangian of the nonlinear electromagnetic field $\mathcal{L}(F)$ is an arbitrary function of the electromagnetic field invariant $F=F_{\mu \nu}F^{\mu \nu}$  constructed from closed Maxwell 2-form $F_{\mu \nu}$. We use units in which $c=\hbar=8 \pi G=1$. By applying the variation with respect to the metric for the action (\ref{action}), we get Einstein equations
\begin{equation}\label{field equations}
	G^{\mu}{}_{\nu}=T^{\mu}{}_{\nu}-\Lambda \delta ^{\mu}{}_{\nu}.
\end{equation}
The energy momentum tensor generated by NE Lagrangian is given by
\begin{equation}\label{energy-momentum-Maxwell}
	T^{\mu}{}_{\nu}=\frac{1}{2}\{\delta ^{\mu}{}_{\nu} \mathcal{L}-4\,(F_{\nu \lambda}F^{\mu \lambda})\mathcal{L}_F\}
\end{equation}
and the modified Maxwell (nonlinear electrodynamics) field equations are then given in the following form
\begin{equation} \label{modified Maxwell}
	\partial _{\mu}(\sqrt{-g}\mathcal{L}_FF^{\mu \nu})=0
\end{equation}
in which $\mathcal{L}_F=\frac{d\mathcal{L}(F)}{dF}$.

Our metric ansatz is
\begin{equation}\label{RT-Non}
	{\rm d} s^2 = {\rm d} s^2_{RT} -Q(u,r)\,{\rm d} u^2\ ,
\end{equation}
where we modify the vacuum Robinson--Trautman metric, i.e. (\ref{RTmetric}), by adding function $Q(u,r)$ to the $g_{uu}$ component. This corresponds to general Kerr-Schild metric form given by background vacuum Robinson-Trautman geometry $g^{RT}_{\mu\nu}$ and null, shearfree, twistfree and geodetic vector $\mbox{\boldmath$k$}$
\begin{equation}
  g_{\mu\nu}=g^{RT}_{\mu\nu} - Q(u,r)k_{\mu}k_{\nu}
\end{equation}
Einstein tensor has now more nontrivial components compared to the original Robinson--Trautman metric (\ref{RTmetric})
\begin{eqnarray}
{G^{u}}_{u}&=&{G^{r}}_{r}=-\Lambda+\frac{Q_{,r}}{r}+\frac{Q}{r^2} \label{Guu}\\
{G^{x}}_{x}&=&{G^{y}}_{y}=-\Lambda+\frac{1}{2}{Q_{,rr}}+\frac{Q_{,r}}{r} \label{Gxx}\\
{G^{r}}_{u}&=&{}^{\mathrm{RT}}{G^{r}}_{u}-\frac{1}{r}[(\,\ln {P})_{,u} \{r{Q_{,r}}-2Q\}+{Q_{,u}}] \label{Gur}
\end{eqnarray}
where
$${}^{\mathrm{RT}}{G^{r}}_{u}=-\frac{1}{2r^2}\{ \Delta\Delta(\,\ln {P})+12\,m(\,\ln {P})_{,u}-4\,m_{,u}\}$$

We assume the following specific Maxwell 2-form in the coordinates of (\ref{RT-Non})
 \begin{equation}\label{Twoform}
 	\mathbf{F}=F_{\mu\nu} {\rm d} x^{\mu} {\rm d} x^{\nu}=E(u,r) {\rm d} u \wedge {\rm d} r
 \end{equation}
 where the electromagnetic invariant $F=F_{\mu \nu}F^{\mu \nu}$ for the above Maxwell 2-form simplifies to $-2E^2$. Then from (\ref{modified Maxwell}) and the metric (\ref{RT-Non}) one can find dynamical equation for electromagnetic field
 \begin{equation} \label{NEQ-1}
 	\frac{r^2}{P(u,x,y)^2}\mathcal{L}_F F_{ur}=F_{0}(x,y),
 \end{equation}
which can be solved by
 \begin{equation} \label{NEQ-2}
 	\mathcal{L}_F F_{ur}= \frac{q(u)^2}{r^2},
 \end{equation}
 in which $P(u,x,y)^{2}F_{0}(x,y)=q(u)^2$ in order to satisfy the assumed form of $\mathbf{F}$ (\ref{Twoform}).
 The energy momentum tensor given by (\ref{energy-momentum-Maxwell}) can then be expressed in the diagonal form
 \begin{equation}\label{energy-momentum-NE}
 	T^{\mu}{}_{\nu}=diag\left\{\frac{\mathcal{L}}{2}-F\mathcal{L}_F,\frac{\mathcal{L}}{2}-F\mathcal{L}_F,\frac{\mathcal{L}}{2},\frac{\mathcal{L}}{2}\right\}
 \end{equation}
for our form of Maxwell field (\ref{Twoform}) and with respect to the coordinates $(u,r,x,y)$ of metric (\ref{RT-Non}).

 Let us note that the assumption (\ref{Twoform}) necessarily leads to $F_{\mu \nu}F^{\mu \nu}\neq 0$ and $F^{*}_{\mu \nu}F^{\mu \nu}=0$ (where $*$ means a Hodge dual) as in the static spherically symmetric cases considered below. This also means that our field is non-null and purely electric. At the same time we do not need to consider generalization of Lagrangian that would additionally contain terms dependent on the second invariant.

Now, we will turn our attention to the general form of previously derived static spherically symmetric (SSS) solutions with NE. The metric has the following form encompassing all the models that we wish to generalize
\begin{eqnarray}\label{SSS}
{\rm d} s^2& =& -\left[1-{\textstyle{\frac{\Lambda}{3}}} r^2+f(r)\right]\,{\rm d} t^2+\,\frac{{\rm d} r^{2}}{\left[1-{\textstyle{\frac{\Lambda}{3}}} r^2+f(r)\right]} \nonumber \\
 &&+{r^2}\,({\rm d} {\theta}^{2}+{{\sin}^{2} {\theta}} \, {\rm d}  {\phi}^{2}),
\end{eqnarray}
Here, we prefer not to introduce the null coordinate in order to keep the correspondence with published spherically symmetric models. In this case one can of course as well use the Kerr-Schild form to introduce function $f$ into the background Minkowski/(anti-)de Sitter metric.

We obtain these nonzero components of the Einstein tensor for line element (\ref{SSS})
\begin{eqnarray}
{G^{t}}_{t}&=&{G^{r}}_{r}=-\Lambda+\frac{f_{,r}}{r}+\frac{f}{r^2} \label{SSSGtt}\\
{G^{\theta}}_{\theta}&=&{G^{\phi}}_{\phi}=-\Lambda +\frac{1}{2}{f_{,rr}}+\frac{f_{,r}}{r} \label{SSSGxx}
\end{eqnarray}

Maxwell 2-form has the following form resembling (\ref{Twoform}),
\begin{equation}\label{Twoform-SSS}
	\mathbf{F}=\tilde{E}(r) {\rm d} t \wedge {\rm d} r
\end{equation}
although the electromagnetic field is static now (like before, field invariant simplifies considerably $F=F_{\mu \nu}F^{\mu \nu}=-2\tilde{E}^{2}$). From the modified Maxwell equation (\ref{modified Maxwell}) and the metric (\ref{SSS}), we find
\begin{equation} \label{NEQ-SSS}
	\mathcal{L}_F F_{tr}= \frac{q_{0}^2}{r^2},
\end{equation}
where $q_{0}$ is a constant. One can easily calculate the energy momentum tensor in this case and recovers the diagonal form (\ref{energy-momentum-NE}) but now with respect to the coordinates $(t,r,\theta,\phi)$ of metric (\ref{SSS}).

We can see the structural similarity between set of equations (\ref{Guu},\ref{Gxx}) and (\ref{SSSGtt},\ref{SSSGxx}). This suggests trying to generalize SSS solutions with NE source to Robinson--Trautman geometry via this similarity. Note, that this similarity is not analyzed based on some coordinate transformation but purely from the perspective of coincidence between the form of differential equations. Of course this similarity has underlying reason in the fact that Robinson--Trautman metrics are generalization of spherically symmetric models but this is not important for the following observations. Namely, the solution $f(r)$ of equations (\ref{SSSGtt},\ref{SSSGxx}) can be evidently transformed into a particular solution $Q(u,r)$ of equations (\ref{Guu},\ref{Gxx}) by promoting integration constants in $f$ into functions of coordinate $u$. However, one has to ensure that the newly constructed function $Q(u,r)$ satisfies additional equation ${G^{r}}_{u}=0$ coming from combining corresponding components of Einstein tensor (\ref{Gur}) and energy momentum tensor (\ref{energy-momentum-NE}) into field equations (\ref{field equations}). This equation is the basic constraint on generalizing SSS solutions with NE into Robinson--Trautman case.

We summarize the method in the following theorem:
\begin{theorem}\label{theorem}
  The SSS solution of Einstein equations coupled to arbitrary NE model which is given by line element in the form of (\ref{SSS}) and Maxwell field (\ref{Twoform-SSS}) with specific function $f(r)$ can be generalized into Robinson--Trautman solution coupled to the same NE model with metric (\ref{RT-Non}) and Maxwell field (\ref{Twoform}) where the function $Q(u,r)$ is obtained from $f(r)$ by promoting the integration constants (appearing in $f$) into functions of $u$ provided the additional constraint equation
  \begin{equation}\label{constraint}
    (\,\ln {P})_{,u} \{r{Q_{,r}}-2Q\}+{Q_{,u}}=0
  \end{equation}
  is satisfied for such $Q(u,r)$.
\end{theorem}

\section{Explicit examples}
Now, we will present several important forms of NE Lagrangians and the associated solutions for both electromagnetic field and Robinson--Trautman metric (giving the form of metric function $Q(u,r)$). For each model we first solved the spherically symmetric equations (\ref{SSSGtt}) and (\ref{SSSGxx}) to obtain the most general function $f(r)$, then used the Theorem \ref{theorem} to generate $Q(u,r)$ with which we try to solve the constraint (\ref{constraint}). We do not present the original function $f(r)$ since it can be easily read of from $Q(u,r)$ by putting all functions of $u$ to constants. Finally, we specify in which references one can find the spherically symmetric case.

We plotted the profile of Lagrangian (Figure \ref{Lagrangians}) for all the models considered below and electromagnetic field invariant $F$ (Figure \ref{Fs}) in case of static spherically symmetric solutions (alternatively it can be viewed as a profile of invariant on $u=const$ hypersurface). Evolution of the invariant for Robinson--Trautman solutions is presented in three-dimensional plots in Appendix.

\subsection{Maxwell}
As a starting point we briefly show the linear Maxwell case which generalizes the standard Reissner-Nordstr\"{o}m solution
\begin{equation}
\mathcal{L}(F)=-F
\end{equation}
Applying the method described in section \ref{Method} and summarized in Theorem \ref{theorem} we obtain this solution on Robinson--Trautman background
\begin{eqnarray}
Q(u,r)&=&\frac{q(u)^4}{r^2}+\frac{C_{1}(u)}{r}
\end{eqnarray}
If we put this form into the field equation constraint (\ref{constraint}) we find
\begin{eqnarray}\label{restrictions-Max}
\Delta\Delta(\,\ln {P})+12\,M(\,\ln {P})_{,u}-4\,M_{,u}&=&0 \nonumber \\
 q\, P_{,u}-q_{,u}\,P &=&0
\end{eqnarray}
where
\begin{equation}\label{Mfunction}
 M=m(u)-\frac{C_{1}(u)}{2}.
\end{equation}
This result is a special case of algebraic type II Einstein--Maxwell spacetimes analyzed in \cite{Stephanietal:book} where a theorem (Theorem 28.3 in the reference) for generating these solutions from the vacuum Robinson--Trautman spacetime is presented.

\subsection{Born-Infeld}
As was mentioned before, NE started with this model of dynamics and it has been studied widely in three, four and higher dimensions, also their physical properties were analyzed in detail. The famous Born--Infeld Lagrangian has the following form \cite{BornInfeld}
\begin{equation} \label{Born-Infeld}
\mathcal{L}_{BI}=4\beta^2\left(1-\sqrt{1+\frac{F}{2\beta^2}}\right) ,
\end{equation}
 $\beta $ is a critical field length. When $\beta \rightarrow \infty $ this Lagrangian goes to Maxwell form which is as well recovered in the weak field regime.

Applying the method described in Section \ref{Method} we obtain this solution on Robinson--Trautman background
\begin{equation}\label{F-Born-Infeld}
F=-\frac{2q(u)^4}{r^4+{q(u)^4}/{\beta^2}}.
\end{equation}
As it was expected the electric field remains regular at $r=0$. Lagrangian (\ref{Born-Infeld}) is only defined for field invariant $F\geq -2\beta^{2}$ (see as well Figure \ref{Lagrangians}) which corresponds to $r\geq 0$ according to (\ref{F-Born-Infeld}) so it covers the whole range of coordinates. The metric function corresponding to NE source becomes
\begin{eqnarray}
Q(u,r)=\frac{C_{1}(u)}{r} +\frac{2\beta^2}{3}r^2-\frac{2\beta^2}{r}\int{\sqrt{r^4+{q(u)^4}/{\beta^2}}}\,dr\nonumber\\
\end{eqnarray}
If we put these forms in field equations we will find the same restrictions as for Maxwell theory (\ref{restrictions-Max}). However, in this case the constraint (\ref{constraint}) enforces $C_{1}(u)=0$ and so $M=m$.

Such solution is a straightforward generalization of the SSS solutions given for example in \cite{Fernando,Oliveira}. This shows that there is indeed a solution in Robinson--Trautman class that settles down smoothly to known spherically symmetric one when function $P$ attains its special form describing the geometry on a sphere (this is elaborated in Section \ref{Asymptotics}). Then, from (\ref{restrictions-Max}) one immediately concludes that $q=const$.

\subsection{Logarithmic form of nonlinear electrodynamics theory}
The logarithmic form of Lagrangian can be given by
 \begin{equation} \label{logarithmic}
\mathcal{L}_{LNE}=-8\beta^2 \ln {\left({1+\frac{F}{8\beta^2}}\right) }.
\end{equation}
In \cite{Soleng} it was used to present a model of point particle without divergence in electromagnetic field. However, even with vanishing "Schwarzschild mass" and finite electromagnetic field the curvature singularity at the origin is present. For special value of $\beta$ the horizon radius shrinks to zero and so called black point is created (see, e.g., \cite{black-point} for their previous occurrences).

Applying the method described in section \ref{Method} we obtain
\begin{equation}\label{F-logarithmic}
	F=-\frac{8\beta^2}{q(u)^4}\,{\left(\beta r^2-\sqrt{\beta^2r^4+q(u)^4}\right)}^2\ .
\end{equation}
The presence of curvature singularity can be understood from Lagrangian (\ref{logarithmic}) since it has singularity for field invariant value $F= -8\beta^{2}$ which corresponds to $r=0$ according to (\ref{F-logarithmic}) and so this Lagrangian provides singular source for Einstein equations. The Robinson--Trautman geometry is specified by the following metric function
\begin{eqnarray}
Q(u,r)=\frac{C_{1}(u)}{r} +\frac{20}{9}\beta^2r^2-4 \beta \sqrt{r^4\beta^2+q(u)^4} \nonumber\\
-\frac{4}{3} \beta^2 r^{2}\ln \left( {\frac{-2r^4 \beta^2+2 \beta r^2 \sqrt{r^4\beta^2+q(u)^4}}{q(u)^4}}\right) \nonumber\\
+\frac{16 \beta^3}{r} \int{\frac{r^4}{\sqrt{r^4\beta^2+q(u)^4}}}\,dr
\end{eqnarray}
If we put these $Q$ and $F$ into the constraint (\ref{constraint}) we recover conditions (\ref{restrictions-Max}) and (\ref{Mfunction}).

This solution is again a straightforward generalization of the SSS solutions given in \cite{Soleng}. The results concerning spherically symmetric limit are the same as in the previous analysis of Born--Infeld example.

\begin{figure}[t]
\centering
\includegraphics[trim = 25mm 140mm 80mm 20mm,scale=0.7]{Lagrangians.pdf}
\caption{The plot of all considered Lagrangians for NE: Maxwell (dotted), Born--Infeld (solid line - it is defined only for restricted values of $F$), Logarithmic model (dashed), New Lagrangian 1 (dash-dotted), New Lagrangian 2 (long-dashed). The free parameter was fixed to following value: $\beta=1$. Evidently, all the nonlinear Lagrangians have steeper growth with increasing absolute value of $F$ than Maxwell model and as well either diverge for certain finite value of $F$ or fail to be defined (Born--Infeld). Except for the New Lagrangian 2 model the value at $F=0$ is the same for all models.}
    \label{Lagrangians}
\end{figure}

\subsection{New Lagrangian 1}
Now we will consider another form of dynamics for NE given by the following Lagrangian \cite{Habib3}
 \begin{equation} \label{New}
\mathcal{L}_{New}=-\frac{2}{\alpha^4} \ln{\left(1-{\alpha^2}\sqrt{-{F}}\right)}-\frac{2\sqrt{-{F}}}{\alpha^2},
\end{equation}
which has correct Maxwell limit in both weak field regi\-me and for $\alpha\to 0$.
The generating method from section \ref{Method} yields the solution
\begin{equation}
F=-\frac{2q(u)^4}{\left(r^2+q(u)^2\beta^2\right)^2}
\end{equation}
in which $\beta^2=\sqrt{2} \alpha^2 $. Again, the field is regular however the Lagrangian has singularity for $F=-\alpha^{-4}$ (see Figure \ref{Lagrangians}) which is attained at $r=0$. Note that in this case one needs to select negative root when solving for $E(r,u)$ in order to satisfy the field equations. Metric function becomes
\begin{eqnarray}
Q(u,r)&=&\frac{C_{1}(u)}{r}-\frac{2}{3}\frac{q(u)^2}{\beta^2}-\frac{4}{3}\frac{q(u)^3}{r\beta}\arctan{\left(\frac{r}{q(u)\beta}\right)} \nonumber\\
&&-\frac{2r^2}{3\beta^4}\ln{\left(\frac{r^2}{r^2+q(u)^2\beta^2}\right)}
\end{eqnarray}
If we put these forms in field equations we will find the already known set of restrictions (\ref{restrictions-Max}) and (\ref{Mfunction}). This solution generalizes the SSS solutions given in \cite{Habib3} where this type of Lagrangian is used for the first time.

\begin{figure}[t]
\centering
\includegraphics[trim = 25mm 140mm 80mm 20mm,scale=0.7]{graph-for-F.pdf}
\caption{The plot of electromagnetic field invariant $F$ for Maxwell (dotted), Born--Infeld (solid line), Logarithmic(dashed), New Lagrangian 1 (dash-dotted), New Lagrangian 2 (long-dashed) models. The free parameter was fixed to following value: $\beta=1$. We have also fixed the function $q$ to a constant $q(u)=1$ which can be considered as $u=const$ slice of the complete three-dimensional plots given in Appendix. The graph corresponding to New Lagrangian 2 is limited only to the coordinate range where the model satisfies energy conditions. Only in the Maxwell case the invariant $F$ diverges at origin.}
    \label{Fs}
\end{figure}

\subsection{New Lagrangian 2}
Finally, we consider the following NE Lagrangian \cite{Habib2}
\begin{equation} \label{New2}
\mathcal{L}_{New2}=\frac{1}{\beta-\sqrt{-{F}}},
\end{equation}
which does not have a Maxwell limit in the weak field regime. However, models containing square root (or arbitrary powers) and generally devoid of Maxwell limit were extensively discussed before \cite{square root,power Maxwell}. And these examples can serve as an approximation of true dynamics in strong field regime. Additional motivation to consider a model without Maxwell limit is to test whether the generating method used here is not limited (via the constraint (\ref{constraint})) only to those NE models with correct Maxwell limit (which are all those considered so far).

The generating method from section \ref{Method} yields the solution
\begin{equation} \label{F-New2}
F=-\frac{\left(\beta\,\,q(u)-r\right)^2}{q(u)^2}
\end{equation}
and we need $q(u)>0,\ \beta q(u)-2r>0$ to fulfill the weak energy condition so this solution cannot cover the whole coordinate range but can serve as an inner solution for small $r$. Evidently, without introducing the parameter $\beta$ we cannot satisfy the energy conditions at all (for more discussion and interpretation see \cite{Habib2}).

The geometry is in this case defined by
\begin{eqnarray}
Q(u,r)&=&\frac{C_{1}(u)}{r}-\frac{\beta q(u)^2}{2}+\frac{q(u)}{2}r\ .
\end{eqnarray}
If we put these forms in field equations we will find the already known set of restrictions (\ref{restrictions-Max}) and (\ref{Mfunction}). This solution is a straightforward generalization of the SSS solutions given for example in \cite{Habib2}.

The Lagrangian (\ref{New2}) has a singularity at $\sqrt{-F}=\beta$ (see as well the Figure \ref{Lagrangians}) which corresponds to $r=0$ according to (\ref{F-New2}). This means that although the field invariant $F$ is regular the curvature singularity is created via singular behavior of the Lagrangian.

\section{Asymptotic behavior}\label{Asymptotics}
The metric (\ref{RTmetric}) admits coordinate freedom already noted by Robinson and Trautman
\begin{equation}\label{transform}
u'=U(u), \, \, r'=\frac{r}{U_{,u}}, \, \, m'=\frac{m}{U_{,u}^3},\,\,P'=\frac{P}{U_{,u}},
\end{equation}
which can be used to set mass $M'$ to a positive constant by proper function $U(u)$. In the case of nonlinear electrodynamics, when considering metric (\ref{RT-Non}) and modified Maxwell equations (\ref{modified Maxwell}), one has to supplement (\ref{transform}) (now with $M=m-\frac{C_{1}}{2}$ instead of $m$) by transforming $q(u)$ as well
\begin{equation}
q'=\frac{q}{U_{,u}},
\end{equation}
Note that one can not set $q(u)$ and $M(u)$ to constant simultaneously since one has only single function in hand. This means that $q(u)$, although looking like physical charge based on (\ref{NEQ-2}), shares the same interpretation problems as $m(u)$. Only now these difficulties are combined together.

Now we are ready to investigate asymptotic behavior for our solutions, separately for the retarded time $u\to\infty$ and $r\to\infty$:{}

\subsection{Asymptotics $u\to\infty$}
One can use (\ref{transform}) to put $M'$ to constant in (\ref{Mfunction}) for all models exactly the form considered in Chru\'{s}ciel and Singleton \cite{Chru1,Chru2,ChruSin} analysis of asymptotic behavior to recover the spherically symmetric final state and also exponentially fast decay of dependence of function $P'$ on new coordinate $u'$. Due to the last equation in (\ref{restrictions-Max}), the asymptotic behavior of function $q'$ is the same as $P'$. Namely, it tends to a constant which is completely consistent with the final state approaching the corresponding spherically symmetric solution.

\subsection{Asymptotics $r\to\infty$}
In this limit the electromagnetic field vanishes for all cases and for Born--Infeld, Logarithmic and New Lagrangian 1 models the asymptotic behavior is identical to the Maxwellian case. Analyzing behavior of function $Q(u,r)$ (after moving $C_{1}$ term into redefinition of "mass" $m\to M$) we immediately see that in all cases the metric is locally asymptotically flat (or (anti--)de Sitter) as for the vacuum Robinson--Trautman solution. We have neglected the New Lagrangian 2 model due to its restricted coordinate range.

\section{Horizons}
Since in all cases the Robinson--Trautman spacetimes with arbitrary form of electrodynamics still posses curvature singularity at $r=0$, as one can confirm by computing Kretschmann scalar (singularity is milder for NE models with regular EM field at the origin), we would like to know if it is covered by a horizon. Due to the dynamical nature of our spacetimes we will look for quasilocal horizon. So we need to find a marginally trapped surfaces and one can select any of the most popular horizon definitions --- apparent \cite{hawking-ellis}, trapping \cite{hayward} or dynamical horizon \cite{krishnan}. We will be looking for a horizon hypersurface given by the equation $r=\mathcal{N}(u,x,y)$ with the $u=u_{0}=const$ slices
\begin{equation}
	r=\mathcal{N}(u_{0},x,y)=N(x,y)
\end{equation}
being marginally trapped surfaces. We shall investigate the expansions of both null normals to this surface
\begin{eqnarray}\label{null-vectors}
	\mathbf{{k}}&=&\partial_{r}\\
	\mathbf{{l}}&=&\partial_{u}+\left[\frac{P^{2}}{r^{2}}(N_{,x}^{2}+N_{,y}^{2})-H-\frac{Q}{2}\right]\partial_{r}+\nonumber\\
	&&\frac{P^{2}}{r^{2}}(N_{,x}\partial_{x}+N_{,y}\partial_{y})\nonumber
\end{eqnarray}
that are normalized using $g(\mathbf{{l}},\mathbf{{k}})=-1$. The congruence generated by $\mathbf{{k}}$ is the one defining Robinson--Trautman family and thus apart from being shearfree and twistfree it has positive expansion everywhere $\Theta_{\mathbf{{k}}}>0$. So by demanding the other expansion to vanish $\Theta_{\mathbf{{l}}}=0$ we are looking for the past horizon according to the definition by Hayward \cite{hayward}. One can express this expansion in the following form
\begin{eqnarray}
	\Theta_{\mathbf{{l}}}&=&\frac{-1}{r}\left[K-\frac{2m}{r}-\frac{\Lambda}{3}r^{2}+Q\right.\\
	&&\qquad\quad\left.-\frac{r\Delta N-P^{2}(N_{,x}^{2}+N_{,y}^{2})}{r^{2}}\right]\nonumber
\end{eqnarray}
which leads upon evaluation on the horizon surface to equation
\begin{equation}\label{horizon-eq1}
	K-\frac{2m}{N}-\frac{\Lambda}{3}N^{2}-\Delta\ln N +Q(u_{0},N)=0
\end{equation}
where only the last term represents generalization of the horizon equation derived in \cite{PodSvi:2009}. We can check using expansion at origin and infinity that $Q(u,r)$ (after moving the $C_{1}$ term into redefinition of "mass") is regular everywhere for all NE models considered above while it naturally diverges at origin for Maxwell theory. For the last NE model this regularity is in fact caused by the restricted range of coordinate for $r$.

\sloppy

First, let us use the following redefinition of the function describing horizon $N(x,y)=2mce^{-\Phi(x,y)}$ given in \cite{PodSvi:2009} to obtain an equation (\ref{horizon-eq1}) in better form
\begin{equation}\label{mastereq}
	\Delta\Phi=\frac{1}{c}\,e^{\Phi}+\frac{4}{3}\Lambda m^2 c^2\,e^{-2\Phi}-K-Q(u_{0},2mce^{-\Phi})   \,,
\end{equation}
where we assume $\Phi>0$.{}

\fussy

In the case of NE models the regularity of $Q$ at origin and infinity (or maximum allowed value of $r$) means that it has finite supremum and infimum
\begin{equation}
Q_{\sup}=\sup_{r\in (0,\infty)}Q(u_{0},r)\, ;\ Q_{\inf}=\inf_{r\in (0,\infty)}Q(u_{0},r)
\end{equation}
These, together with minimum $K_{\min}$ and maximum $K_{\max}$ of Gaussian curvature of compact surface spanned by $x$ and $y$, can be used to straightforwardly generalize the results given in \cite{PodSvi:2009} which use theorem (Theorem 1 therein) relying on the existence of sub- and super-solutions \cite{footnote} $\Phi_{\pm}$ for (\ref{mastereq}) satisfying $0<\Phi_{-}\leq \Phi_{+}$. In our case the constant sub- and super-solutions can be given depending on the value of cosmological constant:
\begin{itemize}
	\item[$\bullet$] $\Lambda \leq 0$
	\begin{eqnarray}
		\Phi_{-} &=& \ln \left( \,c\, [K_{\min}+Q_{\inf}]\, \right) \, \nonumber\\
		\Phi_{+} &=& \ln \Big( \,c\, [K_{\max}+Q_{\sup}] - \frac{4}{3}\Lambda m^2 c^3\, \Big) \,   \label{subsuper}
	\end{eqnarray}
	provided $c[K_{\min}+Q_{\inf}]>1$,
	\vspace{8pt}
	\item[$\bullet$] $\Lambda > 0$
	\begin{eqnarray}
		\Phi_{-} &=& \ln \Big( \,c\, [K_{min}+Q_{\inf}] - \frac{4}{3}\Lambda m^2 c^3\, \Big) \, \nonumber\\
		\Phi_{+} &=& \ln \left( \,c\, [K_{max}+Q_{\sup}]\, \right) \,   \label{subsuper+}
	\end{eqnarray}
	if ${\,c\, [K_{min}+Q_{\inf}] - \frac{4}{3}\Lambda m^2 c^3 >1 }$. By using the optimal choice of constant $c$ this constraint reduces to condition on "physical" quantities
	\begin{equation}
		9\Lambda m^{2} < (K_{min}+Q_{\inf})^{3}.
	\end{equation}
\end{itemize}

\sloppy

So the restrictions on existence of horizon are stronger for positive cosmological constant which is natural since as a special case for $Q=0$ we have asymptotically (there we have $K_{min}=1$) Schwarzschild--de Sitter solution which can have naked singularity (see \cite{PodSvi:2009} for extended discussion).

\fussy

For the Maxwell theory one has to be more careful when constructing sub- and super-solutions. The sub-solutions for both cases of $\Lambda$ can be used here straightforwardly by setting $Q_{\inf}=0$. For super-solution one uses the explicit form $Q=q(u_{0})^{4}/r^{2}$ to derive quadratic equation for $z=e^{\Phi}$
\begin{equation}\label{z-equation}
	\frac{1}{c}\,z+\frac{4}{3}\Lambda m^2 c^2-K_{\max}-\frac{q(u_{0})^{4}}{4m^{2}c^{2}}z^{2}=0
\end{equation}
based on the right-hand side of (\ref{mastereq}) after using upper bound for the second and third term. Upon finding positive solution of (\ref{z-equation}) for an optimal choice of free constant $c$ one can give the following super-solutions (notice slightly different division of cases according to $\Lambda$):
\begin{itemize}
	\item[$\bullet$] $\Lambda < 0$
	\begin{equation}
		\Phi_{+} = \ln \left( \frac{2m^{2}c_{1}}{q(u_{0})^{4}}\right) \, \nonumber\\
	\end{equation}
	where $c_{1}=-\frac{\sqrt{3\Lambda(K_{\max}q(u_{0})^{4}-m^{2})}}{2\Lambda q(u_{0})^{2}m}$, so the necessary condition is
	\begin{equation}\label{condition-Maxwell}
	m^{2}>K_{\max}q(u_{0})^{4}
	\end{equation}
	\vspace{8pt}
	\item[$\bullet$]$\Lambda \geq 0$
	In this case one can neglect the cosmological constant term since it has the preferable sign anyway and directly obtain
	\begin{equation}
		\Phi_{+} = \ln \left(\frac{2mc}{q(u_{0})^{4}}(m+\sqrt{m^{2}-K_{\max}q(u_{0})^{4}}) \right) \, \nonumber\\
	\end{equation}
	and the condition is same as in the previous case (\ref{condition-Maxwell}).
\end{itemize}

\sloppy

Asymptotically $K_{\max}\to 1$ since the solution tends to spherically symmetric case and $q(u)$ approaches constant $q_{0}$. If one would select traditional notation $q_{0}^{4}=Q^{2}$ (here and only here $Q$ denotes charge of Reisner--Nordstr\"{o}m solution) one recovers natural condition $m^{2}>Q^{2}$.

\fussy

\section{Algebraic type of the solution}
Now, we would like to see if the geometry of our spacetime is sufficiently general. Since vacuum Robinson--Trautman spacetime is generally of algebraic type II we would like our solution to be at least of the same type and not more special. Our preferred tetrad for determining the Weyl scalars of our solution is given by different null vectors compared to (\ref{null-vectors})
\begin{eqnarray}
	\mathbf{\tilde{k}}&=&\partial_{r}\nonumber\\
	\mathbf{\tilde{l}}&=&\partial_{u}-(H+Q/2)\partial_{r}\\
	\mathbf{\tilde{m}}&=&\frac{P}{\sqrt{2}r}(\partial_{x}+i\partial{y})\nonumber
\end{eqnarray}
where $i$ is a complex unit. The Weyl spinor computed from this tetrad has only the following nonzero components
\begin{eqnarray}\label{Weyl}
	\Psi_{2}&=&\frac{1}{12}\left[Q_{,rr}-\frac{2}{r}Q_{,r}+\frac{2}{r^{2}}Q\right]-\frac{m}{r^3}\nonumber\\
  \Psi_{3}&=&-\frac{\sqrt{2}P}{4r^{2}}(K_{,x}-iK_{,y})\\
  \Psi_{4}&=&\frac{1}{4r^{2}}\left[\{P^2(K_{,x}-iK_{,y})\}_{,x}-i\{P^2(K_{,x}-iK_{,y})\}_{,y}\right]\nonumber
\end{eqnarray}
Now, we can easily determine the type irrespective of possible non-optimal choice of tetrad by using the review of explicit methods for determining the algebraic type in \cite{Zakhary} that are based on \cite{Penrose}. Namely, when we use invariants
$$I=\Psi_{0}\Psi_{4}-4\Psi_{1}\Psi_{3}+3\Psi_{2}^{2},\ J={\rm det}\left(\begin{array}{ccc}
\Psi_{4} & \Psi_{3} & \Psi_{2}\\
\Psi_{3} & \Psi_{2} & \Psi_{1}\\
\Psi_{2} & \Psi_{1} & \Psi_{0}
\end{array}\right)$$
we can immediately confirm that $I^{3}=27J^{2}$ is satisfied so that we are dealing with type II or more special. At the same time generally $IJ\neq 0$ so it cannot be just type III. Moreover, the spinor covariant $R_{ABCDEF}$ has nonzero components
\begin{eqnarray}
	R_{011111}&=&\frac{1}{2}\Psi_{2}(2\Psi_{3}^{2}-3\Psi_{2}\Psi_{4})\\
	R_{111111}&=&\Psi_{3}(2\Psi_{3}^{2}-3\Psi_{2}\Psi_{4})
\end{eqnarray}
which means that generally the spacetime cannot be of type D. So indeed our NE solution is of the most general type possible for the Robinson--Trautman vacuum class. Which does not mean that there cannot be a NE solution of type I when one considers completely general Maxwell tensor ${\mathbf F}$. Moreover, inspecting the components of Weyl spinor (\ref{Weyl}) one concludes that in the special case of $K(x,y)=const > 0$ (constant positive Gaussian curvature of compact two-space spanned by $x,y$) the algebraic type becomes D consistent with spherical symmetry. Finally, since $\Psi_{3}=0$ implies $\Psi_{4}=0$ we cannot have all components of spinor covariant $Q_{ABCD}$ (see \cite{Penrose} and \cite{Zakhary}) vanishing while having nonvanishing Weyl spinor. This means that our family of solutions does not contain type N geometries.

\section{Conclusion and final remarks}

\sloppy

We have derived Robinson--Trautman solutions with source given by nonlinear electrodynamics for several specific models of NE Lagrangian (both with Maxwell limit and without). The solutions were derived based on known spherically symmetric ones by a method described in Section \ref{Method}. The Maxwell case was included for comparison as well. In all cases of NE the singularity of electromagnetic field is resolved as in the static spherically symmetric cases. However, it was not possible to satisfy additional constraint for having Robinson--Trautman solution with Hoffmann--Born--Infeld model or with NE model which provides source of Bardeen black hole. Both these models can be used to construct spherically symmetric solutions without curvature singularity. The impossibility to generalize these models in the absence of this symmetry suggests that this kind of resolution of curvature singularity might not be stable under nonlinear perturbations (at least within the Robinson--Trautman class). However, the Robinson--Trautman class does not contain rotating black holes (due to twist-free condition) and therefore our results do not need to be universally valid. Unfortunately, the twisting class of solutions does not permit analysis on the level presented here (there are no asymptotic behavior studies in the dynamical regime).

\fussy

\sloppy

Since in all models the curvature singularity is present we analyzed the existence of horizons using the quasilocal concepts. All solutions are generally of algebraic type II and asymptotically in retarded time approach their spherically symmetric versions. All models with unrestricted coordinate range also remain locally asymptotically flat (or (anti--)de Sitter) as their vacuum counterparts.

\fussy

The interpretation of "charge" $q(u)$ suffers from the same difficulties as that of "mass" in vacuum Robinson--Trautman solutions. The asymptotic behavior of $q$ in all our models is identical to that of function $P$ which describes geometry of two spaces of constant $u$ and $r$, namely in preferred coordinate $u$ it settles exponentially fast to a constant.

\section*{Appendix}
  Here we plot graphs of electromagnetic field invariant $F$ for all the considered models. We have put $C_{1}(u)=1, \beta=1, \alpha=2^{-1/4}$ and we have selected exponential decay behavior for function $q(u)=1+e^{-u}$ which corresponds to the asymptotic behavior derived in Section \ref{Asymptotics}. The plots show that, except for the Maxwell case, $F$ is finite at $r=0$ for all models. The difference is only in the rate of approach to this finite value. All the models give evidently asymptotically ($r\to \infty$) vanishing $F$ and also fast exponential decay to SSS form of $F$ is clear.

  \begin{figure}[h]
\centering
\includegraphics[trim = 25mm 140mm 80mm 20mm,scale=0.7]{F1.pdf}
\caption{The plot for Maxwell model}
    \label{F1}
\end{figure}

\begin{figure}[h]
\centering
\includegraphics[trim = 25mm 140mm 80mm 20mm,scale=0.7]{F2.pdf}
\caption{The plot for Born--Infeld model}
    \label{F2}
\end{figure}

\begin{figure}[h]
\centering
\includegraphics[trim = 25mm 140mm 80mm 20mm,scale=0.7]{F3.pdf}
\caption{The plot for Logarithmic model}
    \label{F3}
\end{figure}

\begin{figure}[h]
\centering
\includegraphics[trim = 25mm 140mm 80mm 20mm,scale=0.7]{F4.pdf}
\caption{The plot for New Lagrangian 1 model}
    \label{F4}
\end{figure}

\begin{figure}[h]
\centering
\includegraphics[trim = 25mm 140mm 80mm 20mm,scale=0.7]{F5.pdf}
\caption{The plot for New Lagrangian 2 model}
    \label{F5}
\end{figure}

\begin{acknowledgements}
We are grateful to prof. Ji\v{r}\'{\i} Bi\v{c}\'{a}k for discussion and valuable comments. This work was supported by grant GA\v{C}R 14-37086G.
\end{acknowledgements}

redpajama_set_name: RedPajamaArXiv


Bitten by a radioactive spider, Peter Parker now patrols the streets of New York as Spider-Man! With his enhanced strength, wrist-mounted web shooters and life-saving Spider Sense, this web-head never gives up!
Hey, look, it's a Spider-Man. Shocker! [No, that's later. --ed.] Though to be fair, this figure was released in 2009, and it was the first "plain" Spidey seen since 2003. This is just an average, red-and-blue Spider-Man, not intended to represent any specific artist or storyline. Everything is painted cleanly, though the red on his torso and arms is darker than that on his hands, legs and head.
His mask is removable, showing us the smiling, clean-cut Peter Parker beneath - he's not as angry as Back in Black Spider-Man was. Since the mask fits over the head, his noggin ends up looking slightly oversized, an effect exacerbated by the fact that the white eyes of his mask are a bit smaller than they might usually be; this would have been a good opportunity for big modern eyes.
Powered by his "vibro-smasher" gauntlets, Shocker has long been a thorn in Spider-Man's side. Far from a crazed supervillain, Herman Schultz continues his life as the Shocker for profit and respect - with usually unfortunate results.
Shocker is such a low-tier villain that when a toyline gets around to making him, you know it's done very well for itself. And he came out in Series 24, which, as of this writing, is only the halfway point of Marvel Minimates' run! He's wearing his protective padded costume, though like ToyBiz's figure, it's the modern version: the classic one would have quilted legs, not just arms. His gloves are reused from Juggernaut, and while the painted costume details are good, the yellow apps on his chest are thin and anemic, allowing the brown paint beneath to show through. That's disappointing.
The figure's mask is removable. I don't know if we've ever seen Herman Schultz's face in the comics, and I'm sure as hell not about to Google "Shocker fan site" in order to find out. He looks very angry, which seems appropriate, and has heavy eyebrows and a bit of stubble. His hair is the Union Jack mold, cast in a slightly lighter brown than his costume.
This isn't a wildly exciting set, but it's a nice, solid offering. You get a simple Spider-Man and one of his classic villains in one set, and sometimes that's enough to ask for.
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New Zealand health
'Tis the season for food poisoning
6:15 am on 24 December 2018
Charlie Dreaver, Political Reporter
charlie.dreaver@rnz.co.nz
Christmas is a time for giving, but a public health expert says people aren't just receiving presents at this time of year.
A turkey Christmas dinner. Photo: subbotina/123RF
Professor Michael Baker from Otago University's Department of Public Health said Christmas dinner could be making a second, third or fourth appearance if handled poorly.
But there are things you can do to avoid any unwanted microscopic guests ruining Christmas.
Prof Baker said cases of gastroenteritis and food poisoning tend to peak in summer.
"The ones you really need to watch out for are bacteria that may multiply at room temperature on food, like salmonella and the staph toxin is produced by food that's left out," he said.
Prof Baker said the best way to avoid this was keeping food in the fridge rather than out on the table, but the one exception was a Christmas favourite - chicken - which made about 100 people sick with campylobacter every day.
"There are things people can do, buy cooked or frozen chicken, but if you do use fresh chicken one of the worst things you could do is wash it under the tap. It blasts the bacteria all over your kitchen," he said.
He said meningococcal is rare, and many GPs would never have seen a real case, but it is a disease people have been more concerned about recently.
"What has changed this year has been the arrival of another group called W, which has a higher case fatality, 20 to 25 percent of people are dying of that, which does change the level of risk around this bacteria."
Professor Michael Baker says it is best to get vaccinated. Photo: Supplied
He said if parents were worried they could watch out for a child getting sick quickly, with high fever and headache, sleepiness, stiff neck or dislike of bright lights.
"Particularly if they get a skin rash appearing then they do need urgent treatment. We do know from research here you can almost halve your risk of dying from this infection if you get antibiotics very quickly from a GP, before the case is taken to hospital."
He said it could be spread from sneezing, coughing and direct saliva contact, but it could also be a mark of poverty.
"If you have children living in very crowded houses they have the highest rates of disease, but it can also occur in teenagers who are moving into communal situations, halls of residence or camping situations."
Whooping cough is also hanging around this holiday season.
"We do have these big cyclical epidemics, we're just coming out of it at the moment, but we're still seeing almost 200 cases a month," Prof Baker said.
He said the best thing to do was to make sure parents and children were vaccinated.
But to avoid putting more of a dampener on Christmas than a burst of rain at a barbecue, or receiving an ugly sweater from a relative, acute overnight hospital admissions on Christmas Day are surprisingly low.
"There are still 760 acute admissions on Christmas Day. Around 150 have injuries and 230 have infections. This is actually the lowest number of admissions of any day of the year by quite a big margin," he said.
He said there was also a jump on Boxing Day, which may indicate people were deferring treatment until the next day.
But Prof Baker said one of the biggest health threats this time of year and the rest of the year wasn't a disease or bacteria, but alcohol.
"It does make a big contribution to drowning, fatalities on the road, mental health problems and domestic violence, so I think being very conscious of alcohol use is one of the most important messages over the Christmas period," he said.
Holiday traffic: one dies, two critically injured on SH1
Huge turnout for vaccinations: 'I think people are scared'
Hundreds of people queued up in Northland today where an emergency free vaccination programme is being rolled out to combat a deadly meningococcal outbreak.
Huge turnout for Northland meningococcal vaccinations: 'I think people are scared'
MenW case confirmed in Manawatu
Tests have confirmed that the young patient admitted to Palmerston North Hospital this week with meningococcal disease has contracted the same deadly strain behind the outbreak in Northland.
Four-fold increase in stomach bugs in Jan
The number of people getting stomach bugs is up this year, according to a new report.


SEEEEASONS WHERE ARE YOU? ITS SO LONELY WITH NO COMPETITION, PLZ I CANT BE CHAMP FOREVER :C!!!!!
Lagalaga, where have you gone? Have you finally escaped from PS all around, or are our timezones just that different?


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Great news! Tim, NL8F will join Yuri N3QQ on the expedition to Marshall Islands! Yuri N3QQ met Tim in Dutch Harbor during 2008 trip (KL7DX, NA-234) expedition. Both air tickets now purchased, arrival in Majuro on November 30th and going back home December 17th. Possibly 160m operation from Enewetak Atoll. Activation of OC-278 planned around Dec 7-12th.
So far on Shuffle!, I'm up to EP 16. I started out talernating between FS and MU for the episodes (two simultaneous downloads) but encountered several FS downloads with dead links. For those, I switched to MU.EP 04 was the only one with both link bad. I feel rather stupid I didn't think to note down which FS links I had a problem with. Sorry about that! However, you may want to verify the validity of the other FS links. Some do work and some don't.I have no complaint. In fact, I'm very appreciative that you include two DDL links for each EP. I'll keep note of any further problem links I come across.And thank you very much for sharing these to begin with.


Communiqué de Presse - Raffles University of Johor Bahru hosted a celebratory event for International Human Solidarity Day on December 29th and 30th at Capital City Mall in Malaysia. The event was co-hosted by international NGOs called Heavenly Culture, World Peace, Restoration of Light (HWPL) and International Peace Youth Group (IPYG) to raise awareness of solidarity for peace-building. Also, the Capital City joined the event in partnership.
The event included various booths, presentations and exhibitions. The Peace Letter project, one of the most-crowded booths during the event, encouraged the participants to write hand-writing letters in support of the establishment of international law for peace.
Several schools in Malaysia including Dato Osman Awang, Mohd Khalid are known to implement peace education in their curriculum. With the aim of fostering a culture of peace through peace education, HWPL carried out a survey during the event. The participants partook in the survey that collected the demands of the citizens for implementing peace education throughout the country.
Denise, Education Consultant in Raffles University Iskandar who headed the event, said 'I hope that this event can be an example for our students like how to organize events in future, and also to bring our students and society to a next level to more concern the world's news. And we believe this will also help our students to be more responsible to the society. ' in regards to the expected outcome of the event.
Co-hosts IPYG and HWPL also stated ' First I want to thanks for all the help in these events and being our partner until the end of the event. And I do hope that we can work together next time.'.


Silver prices are massively outshining gold, after it reached an 11-month high overnight | City A.M.
It seems all that glitters definitely isn't gold at the moment - investors are increasingly going berserk for silver.
After a none-too-impressive end to 2016, the metal has become increasingly sought-after - and last night, it reached an 11-month high.
This morning silver was up 1.6 per cent at $17.41 per troy ounce, according to Bloomberg. Meanwhile, Gold rose just 0.3 per cent, to $1,258.70 per troy ounce.
So far this year, silver has risen 23 per cent, while gold prices have risen 18 per cent - meaning silver's performance is outshining gold by quite a bit.
"To recap, silver has underperformed gold for most of the past year," said analysts at Capital Economics.
"As a result, the gold/silver price ratio reached 83x at the beginning of March, its highest level since the global recession, prompting some commentators to contend that a new crisis might be imminent.
"[But] the rally in the silver price over the past week has prompted the gold/silver ratio to fall back to around 74x ($1,250 vs $17.0). This rally was largely a catch-up with where silver 'should' have been given the previous recovery in the gold price.
"Admittedly, the surge in the silver price has also been flattered by the recent weakness in the US dollar, which may not be sustained if the Fed hikes interest rates sooner rather than later."


A simile for a slow, difficult, and disgusting process. First popularised by a famous quote about the difficulty of getting work done under one of IBM's mainframe OSes. "Well, you *could* write a C compiler in COBOL, but it would be like kicking dead whales down the beach."


text:
BUTCHER BABIES: 'We're Poor As S**t'
BUTCHER BABIES frontwomen Heidi Shepherd and Carla Harvey were interviewed on a recent edition of the "Rise To Offend" podcast. You can now listen to the chat using the Spreaker widget below.
Asked what the most disappointing this has been about becoming singers in a heavy metal band after holding down other types of jobs in the past, Carla said: "Gosh, I don't think there's anything that's been disappointing. You have to understand that we've been metalheads since we were kids. The first time I heard METALLICA in the back of a kid's van when I was twelve or something, I was an instant metal fan. And so to be able to go out and live my dream and be a metal singer… I mean, how can that be in any way, shape or form disappointing."
Added Heidi: "You know, I think the only disappointing thing is that we're poor as shit. [Laughs]"
Carla: "That is true, but we were poor back then too, so… [Laughs]"
Heidi: "There's a whole misconception as to… [People think that] if you're a signed band, and you tour the world, and you have a lot of fans coming to shows, all of a sudden you're making a ton of money, [and] that's just not the truth. However, I'll give up the money I was making in radio, or anything else, or acting, and live my dream."
Carla: "You know, the one thing that, I guess, would be considered disappointing — and we've both experienced this — is that metal was a place for us, when we were kids, to go to, because we were misfit kids. And then as adults, when we became metal singers, we actually got a lot of shit for being pretty girls that sang metal, which was really odd to me, because, like I said, for me, when I grew up a misfit kid, metal was like this safe place for me, where all kids like me were at."
Heidi: "That's exactly how it was for both of us. Those are the kids that took me in when I was younger. And now it's like all of a sudden, now that we're actually working in metal, they don't wanna accept us, even though they did accept us when we were… It's kind of a mindfuck."
Carla: "But we don't let it affect us, really. We don't really care what anyone says. We do what we do and we love it, and we know who we are, and we know that we are diehard metal fans since we were little itty-bitty kids. So it's kind of like, 'Screw everyone.' But at the same time, it is just a little, like… What the hell?"
Heidi: "At the beginning of our career, I think we were, like, 'Wow! That sucks.' But now, we just… I mean, there are so many people that make it great for us that those few little trolls under bridges, it doesn't… I don't really care. [Laughs]"
BUTCHER BABIES' second album, "Take It Like A Man", was released in August 2015 via Century Media. The CD was produced by Logan Mader, who has previously worked with FIVE FINGER DEATH PUNCH, DEVILDRIVER, CAVALERA CONSPIRACY and GOJIRA.
Tags: butcher babies
OZZY OSBOURNE's Son JACK OSBOURNE Gets Engaged
ERIC SINGER Joins Ex-KISS Bandmate BRUCE KULICK For Set Of Group's '80s/'90s Songs In Las Vegas (Video)
Drum Set Once Owned By Late KISS Drummer ERIC CARR Can Now Be Yours
KILLSWITCH ENGAGE's JESSE LEACH: 'We Need To Engage In Dialogue And Civil Discussion To Learn Anything From Each Other'
AVATAR Releases New Song 'Cruel And Unusual'


text:
JEFF ANDERLE
CLARINET. BASS CLARINET.
Jeff Anderle is a pioneer in the world of low reeds, working as a performer, commissioner, and advocate for innovative new music.
He is a member of the bass clarinet duo Sqwonk, which infuses aspects of classical, folk and popular music into its own distinct style; Splinter Reeds, a reed quintet dedicated to new innovative music; and the virtuosic heavy metal bass clarinet quartet Edmund Welles.
He is also a clarinetist in the San Francisco Contemporary Music Players and performs regularly with a wide range of music institutions from orchestras (San Francisco Symphony, Magik*Magik Orchestra) to diverse chamber music ensembles (Telegraph Quartet, Friction Quartet, Left Coast Chamber Ensemble).
As a soloist, he has performed concertos with the SF Chamber Orchestra, One Found Sound, La Jolla Symphony, Minnesota Philharmonic, and the wind octet Nomad Session, and has been featured nationally at concert series and festivals (Bang on a Can Marathon, Omaha Under the Radar, ClarinetFest, Festival of New American Music). Through these various projects, he has commissioned or premiered over 200 works.
A passionate educator, Jeff is chair of the woodwind department at the San Francisco Conservatory of Music where he teaches clarinet, bass clarinet, chamber music, technology, and professional development, and he has given masterclasses across the country on these topics. He holds a M.M. from SFCM and a B.A. from UCLA.
An advocate for contemporary music, he was a founding co-director of Switchboard Music, a presenting organization which featured hundreds of innovative musicians through its annual marathon and concert series during its 10 year history. Jeff is a Selmer Paris Performing Artist, performing on Presence clarinets and a Prestige bass clarinet.
Branching Patterns is the first solo album of clarinetist Jeff Anderle, drawing on his diverse experience as a pioneer in the world of contemporary chamber music and showcasing the vast sonic possibilities of the clarinet and bass clarinet. The five tracks highlight his taste for non-classical genres including post-minimalist pop, neo-folk indie rock, beat-based looping, electro-acoustic experimentalism and analog electronica.
jeffanderle at gmail.com
[link to bio] [download press photo]
Weird Sounds
Building a Musical Career
Sqwonk:
Splinter Reeds:
Edmund Welles:
Magik*Magik Orchestra:
© 2022 Jeff Anderle.


#MeToo is a year old. As well as uncovering scandals, it has highlighted deficiencies in organizational culture. Emily Chang's Brotopia adds to this by exposing sexism within Silicon Valley. Bias masquerading as meritocracy is dangerous anywhere, especially when those biases may be programmed into the technology we use. Accenture's own work shows why developing more equal cultures makes business sense—as well as being right.
Daniel Coyle's The Culture Code is a more positive reflection on organizational culture. Coyle examines business cultures that engender safety and creativity, showing them to be more than just thriving environments. They also promote excellence, with tangible outcomes that should persuade even the most hard-nosed.
If organizational culture is the micro-business theme, 2018's macro-themes have returned to first principles. The term "value" is everywhere, but what even is it? Mariana Mazzucato's, The Value of Everything, argues misunderstanding its origin allows actors to get rich by extracting value from those who actually create it. Her own value-add is in forcing us to question what really adds value to the economy, and how to reshape our economic order accordingly.
John Lewis Gaddis's On Grand Strategy equally aims to retake the meaning of "strategy" for the serious-minded. While ostensibly a study of war, the primary lesson is instructive for any executive: to succeed you must prune away ego and align "potentially unlimited aspirations with necessarily limited capabilities." Hubris is the enemy of grand strategy. And from Napoleon in Russia, to Blockbuster facing Netflix, leaders continue to make the mistake of equating past tactical success with assured future strategic dominance.
Adam Tooze's Crashed equally warns of the dangers of hubris. Tooze forensically analyses the financial system and the catastrophic impact of the global financial crisis. Misplaced expertise, misallocated capital, miscalculated risk, misguided policies—ten years on, the causes and consequences remain dauntingly complex. Ominously, Tooze suggests that the failure to learn the lessons make us unprepared for the next one.
Even financial crises may not be the biggest business concern though. A final theme is new power dynamics. In the FT-shortlisted New Power, Henry Timms and Jeremy Heimans, propound a new, decentralized form of power built around transparency and collaboration. Old power, characterized by formality and hierarchy, is in danger of redundancy; a wake-up call to companies using such operating models.
Kai-Fu Lee takes this further, examining in AI Superpowers how China and the US are dominating the new power of AI. Intimately familiar with both countries, Lee argues that China's advantages in talent, capital, regulation, and data, mean it may win this pivotal contest. The implications are far-reaching. Jamie Susskind's Future Politics offers a glimpse of these, warning about the impact on governance and society if transparency and accountability are not built into digital technology.
Given AI's promise, this is a sobering thought. Yuval Noah Harari may be right with his unsettling contention that "soon, books will read you while you are reading them." Future shortlists may take on a rather different character if so.


NorCal SCI has been approached by a family in San Jose that wishes to give away a 2005 model year Dodge Grand Caravan SE which has been adapted to accommodate a wheelchair user to ride as a passenger. With the marketplace for these types of vehicles starting in the $10,000-$15,000 range, many people are simply unable to acquire such vehicles. This vehicle is a Braun Entervan with a fold out ramp on the passenger side sliding door. Though the vehicle is in good running condition, the owners are disclosing the known issues with this vehicle and have estimated that an investment of about $5,000 may need to be spent to remedy those issues.
The floor to the door height on the ramp is 53 inches whereas the floor to the ceiling of the interior is 56 1/2 inches.
The vehicle has 171,000 miles on it though it has a rebuilt engine with less than 50,000 miles. It has an EZ Lock system installed on the front passenger side. The brakes, tires and air conditioning system are in good condition and have been recently serviced.
The main expense would involve locating the loss of water from the radiator as the vehicle requires about half a gallon a week. The air bag light on the passenger side stays on though the cause of it has not been identified.
Overall, just like any used vehicle of this age, there are cosmetic issues that need to be dealt with. If you're interested in this vehicle, please e-mail info@norcalsci.org.


text:
«I think outside of Las Vegas
Publicado el 3 noviembre, 2012 por SOPDIOS — Deja una respuesta
And it's bollocks. It's not saying anything about anything. But I could never be arsed fighting it because it wasn't that important to me. Your main training and kindness in dealing with all the things was crucial. I am not sure what I would done if I hadn discovered such a point like this. I can at this point look ahead to my future.
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Uruguay head coach Oscar Washington Tabarez revealed his 23-man squad for the 2018 World Cup on Saturday, and Seattle Sounders midfielder Nicolas Lodeiro did not make the final cut.
Lodeiro, 29, was aiming to play in his third consecutive World Cup for his country. Uruguay are in Group A in Russia, alongside the host country, Saudi Arabia and Egypt.
Because the midfielder is on the provisional roster, should another player on Uruguay's roster become injured, Lodeiro could be drafted into the squad as a replacement. However, his absence from the 23-man roster likely comes as good news to the Sounders, who are in 11th place in the Western Conference ahead of the Week 14 action.