\documentclass{amsart}\usepackage[all, ps]{xy}% Loading the XY-Pic package% Using postscript driver for smoother curves\usepackage{color}% For invisible frame\begin{document}\thispagestyle{empty}% No page numbers\SelectTips{eu}{}% Euler arrowheads (tips)\setlength{\fboxsep}{0pt}% Frame box margin{\color{white}\framebox{{\color{black}$$% Frame for margin\xymatrix@=6pt{ A \arrr\ar@{^(->}dd && \mathbf{K}^*\ar@{^(->}^{\text{diag}}dd\\\\ C \ar^(.3){\sigma}rr\ar@{->>}^\phidd &&\operatorname{GL}(n,\mathbf{K})\ar@{->>}^\pidd\\ &&\\ G \ar^(.3){\rho}rr &&\operatorname{PGL}(n,\mathbf{K})}$$}}}% end math, end frame\end{document}
The person who associated a work with this deed has dedicated the work to the
public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse
Information
Captions
Add a one-line explanation of what this file represents
== Summary == {{Information |Description={{en|Commutative diagram showing the lifting of a
projective representation to a
linear representation.}} |Source={{own}} |Date={{Date|2009|11|19}} |A
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):
\documentclass{amsart}\usepackage[all, ps]{xy}% Loading the XY-Pic package% Using postscript driver for smoother curves\usepackage{color}% For invisible frame\begin{document}\thispagestyle{empty}% No page numbers\SelectTips{eu}{}% Euler arrowheads (tips)\setlength{\fboxsep}{0pt}% Frame box margin{\color{white}\framebox{{\color{black}$$% Frame for margin\xymatrix@=6pt{ A \arrr\ar@{^(->}dd && \mathbf{K}^*\ar@{^(->}^{\text{diag}}dd\\\\ C \ar^(.3){\sigma}rr\ar@{->>}^\phidd &&\operatorname{GL}(n,\mathbf{K})\ar@{->>}^\pidd\\ &&\\ G \ar^(.3){\rho}rr &&\operatorname{PGL}(n,\mathbf{K})}$$}}}% end math, end frame\end{document}
The person who associated a work with this deed has dedicated the work to the
public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse
Information
Captions
Add a one-line explanation of what this file represents
== Summary == {{Information |Description={{en|Commutative diagram showing the lifting of a
projective representation to a
linear representation.}} |Source={{own}} |Date={{Date|2009|11|19}} |A
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):