| Wed, 12 Oct 2011 15:10:54 -0700 | Kevin Walker | operad action only up to homotopy; still need to think about this a bit | file | diff | annotate |
| Thu, 11 Aug 2011 13:54:38 -0700 | Scott Morrison | finishing most of the minor/typo issues from the referee | file | diff | annotate |
| Fri, 15 Jul 2011 15:03:22 -0700 | Scott Morrison | several minor corrections, from referee | file | diff | annotate |