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\newpage\section{Crown}\label{crown}
%<––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––>
%<––––––––––––––––––––––––––––– Crown ––––––––––––––––––––––––––––––––>
%<––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––>
\begin{NewMacroBox}{grCrown}{\oarg{options}\var{integer}}
\medskip
From MathWord : \url{http://mathworld.wolfram.com/CrownGraph.html}
\emph{The Crown graph for an integer is the graph with vertex set
$\{x_0,x_1,\dots,x_{n-1},y_0,y_1,\dots,y_{n-1}\}$\hfill\break
and edge set \hfill\break
$\{(x_i,x_j): 0\leq i,j\leq n-1,i \not=j\}$.}
\href{http://mathworld.wolfram.com/topics/GraphTheory.html}%
{\textcolor{blue}{MathWorld}} by \href{http://en.wikipedia.org/wiki/Eric_W._Weisstein}%
{\textcolor{blue}{E.Weisstein}}
\medskip
The Crown graph is implemented in \tkzname{tkz-berge} as \tkzcname{grCrown} with two forms.
\end{NewMacroBox}
\subsection{\tkzname{Crown graph form 1}}
\begin{center}
\begin{tkzexample}[vbox]
\begin{tikzpicture}
\tikzstyle{VertexStyle} = [shape = circle,
shading = ball,
ball color = green,
minimum size = 24pt,
draw]
\tikzstyle{EdgeStyle} = [thick,
double = orange,
double distance = 1pt]
\SetVertexLabel\SetVertexMath
\grCrown[RA=3,RS=6]{4}
\end{tikzpicture}
\end{tkzexample}
\end{center}
\vfill\newpage
\subsection{\tkzname{Crown graph form 2}}
\begin{center}
\begin{tkzexample}[vbox]
\begin{tikzpicture}
\grCrown[form=2,RA=4,RS=6]{4}
\end{tikzpicture}
\end{tkzexample}
\end{center}
\endinput
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