Sun, 08 May 2011 09:05:53 -0700 | Kevin Walker | make sure poset of decomps is a small category; added to to-do list | file | diff | annotate |
Sat, 07 May 2011 09:40:20 -0700 | Kevin Walker | string diagrams have stratifications more general than mere cell complexes | file | diff | annotate |
Sat, 07 May 2011 09:18:37 -0700 | Kevin Walker | added remark about defect categories; tweaked sphere cat intro | file | diff | annotate |