diff -r fa1a8622e792 -r aa2c7575e535 blob1.tex
--- a/blob1.tex	Thu Apr 24 04:16:21 2008 +0000
+++ b/blob1.tex	Thu Apr 24 04:16:53 2008 +0000
@@ -855,7 +855,7 @@
 \end{equation*}
 
 In general, the Hochschild chain $\Tensor_{i=1}^n a_i$ is sent to the sum of $n!$ blob $(n-1)$-chains, indexed by permutations,
-$$\phi\left(\Tensor_{i=1}^n a_i) = \sum_{\pi} \phi^\pi(a_1, \ldots, a_n)$$
+$$\phi\left(\Tensor_{i=1}^n a_i\right) = \sum_{\pi} \phi^\pi(a_1, \ldots, a_n)$$
 with ... (hmmm, problems making this precise; you need to decide where to put the labels, but then it's hard to make an honest chain map!)