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%%
%% An UIT Edition example
%%
%% Example 09-19-2 on page 195.
%%
%% Copyright (C) 2010 Herbert Voss
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3
%% of this license or (at your option) any later version.
%%
%% See http://www.latex-project.org/lppl.txt for details.
%%
%%
%% ====
% Show page(s) 1
%%
\documentclass[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{177.70511pt}
\AtBeginDocument{\setlength\parindent{0pt}}
\StartShownPreambleCommands
\usepackage[all,line]{xy} \usepackage{graphicx}
\StopShownPreambleCommands
\begin{document}
\CompileMatrices
\xymatrix{
& 0 \ar[rr] & & A^p \ar@{^{(}->}[rr]^{f^p} \ar[ld]_{d_A^p}
\ar'[d][dd]^{\alpha^p} & & B^p \ar@{>>}[rr]^{g^p} \ar[ld]_{d_B^p}
\ar@/^/@{.>}[ld] \ar'[d][dd]^{\beta^p} & & C^p \ar[rr] \ar[ld]_{d_C^p}
\ar@/^/@{.>}[ll] \ar'[d][dd]^{\gamma^p} \ar@/_/@{.>}[dd] & & 0 \\
0 \ar[rr] & & A^{p+1} \ar@{^{(}->}[rr]^(.7){f^{p+1}}
\ar[dd]^(.3){\alpha^{p+1}} \ar@/_/@{.>}[dd] & & B^{p+1}
\ar@{>>}[rr]^(.7){g^{p+1}} \ar@/^/@{.>}[ll]
\ar[dd]^(.3){\beta^{p+1}} & & C^{p+1} \ar[rr]
\ar[dd]^(.3){\gamma^{p+1}} & & 0 & \\
& 0 \ar'[r][rr] & & A_1^p \ar[ld]_{d_{A_{1}}^p}
\ar@{^{(}->}'[r]^{f_1^{p}}[rr] & & B_1^p
\ar[ld]_{d_{B_1}^p} \ar@{>>}'[r]^{g_1^{p}}[rr]
\ar@/^/@{.>}[ld] & & C_1^p \ar[rr]
\ar[ld]_{d_{C_1}^p} \ar@/^/@{.>}[ll] & & 0 \\
0 \ar[rr] & & A_1^{p+1} \ar@{^{(}->}[rr]^{f_1^{p+1}} & & B_1^{p+1}
\ar@{>>}[rr]^{g_1^{p+1}} \ar@/^/@{.>}[ll] & & C_1^{p+1} \ar[rr] & &
0 & }
\end{document}
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