fixing the broken references introduced during my abortive edits yesterday in sydney
%!TEX root = ../blob1.tex
\title{Blob Homology}
\author{Scott~Morrison and Kevin~Walker}
%\email{scott@tqft.net} \urladdr{http://tqft.net/}
%\author{Kevin~Walker}
%\email{kevin@canyon23.net} \urladdr{http://canyon23.net/math/}
%\primaryclass{57M25} \secondaryclass{57M27; 57Q45}
%\keywords{
%}