English: The Tits index of type 1E78 6,0, created using tikz.
Source
“Classification of algebraic semisimple groups”, in Algebraic Groups and Discontinuous Subgroups (Proc. Sympos. Pure Math., Boulder, Colo., 1965), Providence, R.I.: American Mathematical Society, 1966, pages 33–62
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Source code:
\documentclass{standalone}
\usepackage{amsmath}
\usepackage{tikz}
\usetikzlibrary{calc,decorations.pathreplacing,decorations.markings}
\usetikzlibrary{fit,math,positioning,arrows.meta,shapes.geometric}
\tikzset{
n/.style={fill=black,circle, %% node
inner sep=0pt,minimum size=4pt},
e/.style={fill=black,circle, %% ellipses
inner sep=0pt,minimum size=2pt},
w/.style={fill=white,draw=white,circle, %% white (omitted) nodes
inner sep=0pt,minimum size=4pt},
c/.style={ellipse,draw=black,inner sep=1pt}, %% circles
b/.style={decoration={brace,amplitude=10pt},decorate,thick}, %% brace
a/.style={postaction={decorate,decoration={
markings, mark=at position .5 with
{\arrow[black]{Straight Barb[length=\al]}}
}}} %% mid arrow
}
\def\v{0.5cm} %% vertical node space
\def\h{1cm} %% horizontal node space
\def\s{1.8pt} %% space for weighted edges
\def\al{5pt} %% arrow length
\def\l{2.5*\v} %% label separator
\begin{document}
\begin{tikzpicture}
%% Nodes
\node[n] (1) at (0,0) {};
\foreach \x in {2,3,4,5} {
\node[n] (\x) at (\x*\h-\h,0) {};
}
\node[n] (6) at ($(3) + (0,\h)$) {};
%% Edges
\draw[n] (3.center) -- (6.center) {};
\foreach \x [evaluate = \x as \y using int(\x+1)]
in {1,2,3,4} {
\draw[n] (\x.center) -- (\y.center);
}
\end{tikzpicture}
\end{document}
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copyrighted, dedicated to the public domain by copyright holder
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Creative Commons CC0 License
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4,474 byte
height
40 pixel
width
147 pixel
media type
image/svg+xml
checksum
b7c7d8abb81c3a5c0a30d05b47707f664da44ebf
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== Summary == {{Information | description = The Tits index of type <sup>1</sup>E{{su|p=78|b=6,0}}, created using tikz. | source = {{Citation | ref=harv | last1=Tits | first1=Jacques | author-link = Jacques Tits | title=Algebraic Groups and Discontinuous Subgroups (Proc. Sympos. Pure Math., Boulder, Colo., 1965) | publisher=American Mathematical Society | location=Providence, R.I. |mr=0224710 | year=1966 | chapter=Classification of algebraic semisimple groups | pages=33–62}} |...