| Sat, 16 Jul 2011 12:22:23 -0600 | Kevin Walker | more typos from ref rpt | file | diff | annotate |
| Fri, 15 Jul 2011 15:03:22 -0700 | Scott Morrison | several minor corrections, from referee | file | diff | annotate |
| Sun, 10 Jul 2011 14:52:33 -0600 | Kevin Walker | very minor | file | diff | annotate |
| Sun, 10 Jul 2011 14:43:19 -0600 | Kevin Walker | no splittability requirement for k=n | file | diff | annotate |
| Wed, 29 Jun 2011 16:21:11 -0700 | Scott Morrison | typos | file | diff | annotate |
| Wed, 29 Jun 2011 12:02:47 -0700 | Scott Morrison | minor | file | diff | annotate |
| Tue, 28 Jun 2011 15:44:04 -0700 | Scott Morrison | minor | file | diff | annotate |
| Sat, 25 Jun 2011 18:14:37 -0700 | Kevin Walker | add remark about a-inf axiom implying isotopy invariance | file | diff | annotate |