% Author: Ika
% Date: 11/14/2014

\documentclass{amsart}
\usepackage[paperwidth=230px, paperheight=116px, top=-16px, left=0px, right=0px, bottom=0px]{geometry}
\usepackage{amsmath,amssymb,nopageno}
\usepackage[all]{xy}
\begin{document}
\Huge
\[
	\xymatrix@C+2em@R+2em{
	A \otimes B \ar^{1_A \otimes \eta_B}[r] \ar_{\eta_{A \otimes B}}[rd] & A \otimes TB \ar^{t_{A, B}}[d]\\
	& T(A \otimes B)
	}
\]
\end{document}