diff -r f5af4f863a8f -r a80cc9f9a65b text/top_matter.tex
--- a/text/top_matter.tex	Thu Apr 26 06:57:24 2012 -0600
+++ b/text/top_matter.tex	Fri Apr 27 22:37:14 2012 -0700
@@ -11,6 +11,6 @@
 
 
 %\primaryclass{57M25} \secondaryclass{57M27; 57Q45}
-%\keywords{
-
-%}
+\keywords{
+topological quantum field theory, hochschild homology, Deligne conjecture
+}