% One needs PDF2SVG to generate the SVG graph.
% Author: Smimram, Maksim, Ika
% Update Date: 11/19/2014

\documentclass{amsart}
\usepackage[paperwidth=440px, paperheight=110px, top=-10px, left=0px, right=0px, bottom=0px]{geometry}
\usepackage{amsmath,amssymb,nopageno}
\usepackage[all]{xy}
\begin{document}
\Huge
\[
	\xymatrix@C+1em@R+1em{ 
	(M \otimes M) \otimes M \ar^{\alpha}[r] \ar_{\mu \otimes 1}[d] & M \otimes (M \otimes M) \ar^(0.6){1 \otimes \mu}[r] & M \otimes M \ar^{\mu}[d] \\
	M \otimes M \ar_{\mu}[rr] & & M
	}
\]
\end{document}