# HG changeset patch # User Kevin Walker # Date 1291050094 25200 # Node ID a064476a32652233027e5343a10fe613fc0ea80a # Parent 0f45668726dd8d9e0259a546b5733b84d4cc3417 minor diff -r 0f45668726dd -r a064476a3265 pnas/pnas.tex --- a/pnas/pnas.tex Wed Nov 24 09:57:41 2010 -0700 +++ b/pnas/pnas.tex Mon Nov 29 10:01:34 2010 -0700 @@ -660,8 +660,8 @@ \item the $s_i$'s corresponding to the other pieces are single fields (linear combinations with only one term). \end{itemize} %that for any innermost blob $B$, the field on $B$ goes to zero under the gluing map from $\cC$. -\nn{yech} We call such linear combinations which evaluate to zero on a blob $B$ a ``null field on $B$". +% could maybe say something here like "if blobs have nice complements then this is just...." The differential acts on a $k$-blob diagram by summing over ways to forget one of the $k$ blobs, with alternating signs.