| Tue, 03 Mar 2009 23:26:11 +0000 | kevin | reworked blob complex definition | file | diff | annotate |
| Tue, 03 Mar 2009 16:40:59 +0000 | kevin | various small edits | file | diff | annotate |
| Sat, 28 Feb 2009 16:00:38 +0000 | kevin | local relation def; extended isotopy def | file | diff | annotate |