| Fri, 13 May 2011 20:52:18 -0700 | Kevin Walker | rewriting colimit def; there's still a little more to do | file | diff | annotate |
| Thu, 12 May 2011 21:42:34 -0700 | Kevin Walker | starting to work on colimit stuff, but not much progress yet | file | diff | annotate |
| Wed, 11 May 2011 14:32:13 -0700 | Kevin Walker | add remarks to address the bizarre and inexplicable confusion about "hemisphere" | file | diff | annotate |
| Sun, 08 May 2011 22:15:11 -0700 | Kevin Walker | oops -- 3 reverts | file | diff | annotate |