# File:PSU-PU.svg

Original file(SVG file, nominally 394 × 253 pixels, file size: 52 KB)

# Structured data

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## Summary

Description
English: Commutative diagram, showing the projective special unitary group and projective unitary group, presented as (sub)quotients of the unitary group.
Source Own work, created as per: Help:Displaying a formula: Commutative diagrams; source code below.
Author Nils R. Barth
Permission
(Reusing this file)
Nils R. Barth, the copyright holder of this work, hereby publishes it under the following license:
 I, the copyright holder of this work, release this work into the public domain. This applies worldwide.In some countries this may not be legally possible; if so:I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

## TeX source

\documentclass{amsart}
% Using postscript driver for smoother curves
\usepackage{color}              % For invisible frame
\begin{document}
\thispagestyle{empty} % No page numbers
\setlength{\fboxsep}{0pt} % Frame box margin
{\color{white}\framebox{{\color{black}$$% Frame for margin \xymatrix{ %Our diagram is a 3x3 matrix \mathbf{Z}/n \ar@{^(->}[d]\ar@{^(->}[r] & U(1) \ar@{^(->}[d]\ar@{->>}[r]^{z^n} & U(1) \ar[d]^\wr\\ SU(n) \ar@{->>}[d]\ar@{^(->}[r] & U(n) \ar@{->>}[d]\ar@{->>}[r]^{\det} & U(1)\\ PSU(n) \ar[r]^\sim & PU(n) }$$}}} % end math, end frame
\end{document}


The original description page was here. All following user names refer to en.wikipedia.
• 2007-11-25 20:55 Nbarth 394×253×0 (53021 bytes) Updated to increase default size.
• 2007-11-25 20:10 Nbarth 160×104×0 (50669 bytes) Updated to increase margin.
• 2007-11-25 19:46 Nbarth 145×93×0 (50906 bytes) Commutative diagram, showing the projective special unitary group and projective unitary group, presented as (sub)quotients the unitary group.

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current19:09, 6 January 2008394 × 253 (52 KB)Nbarth (talk | contribs){{Information |Description={{en|Commutative diagram, showing the projective special unitary group and projective unitary group, presented as (sub)quotients the unitary group.}} |Source=en:SVG created as per: [[:en:meta:Help:Displaying_a_formula#Commu
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