--- a/preamble.tex	Wed Feb 04 06:03:43 2009 +0000
+++ b/preamble.tex	Thu Feb 05 02:38:55 2009 +0000
@@ -167,6 +167,7 @@
 \newcommand{\End}[1]{\operatorname{End}\left(#1\right)}
 \newcommand{\Obj}{\operatorname{Obj}}
 
+\newcommand{\CM}[2]{C_*(\Maps(#1 \to #2))}
 \newcommand{\CD}[1]{C_*(\Diff(#1))}
 
 \newcommand{\directSumStack}[2]{{\begin{matrix}#1 \\ \DirectSum \\#2\end{matrix}}}