Wed, 14 Sep 2011 13:00:44 +0000 | urbanc | clarified proof about non-regularity | changeset | files |
Wed, 14 Sep 2011 11:46:50 +0000 | urbanc | corrected typo found by Xingyuan | changeset | files |
Tue, 13 Sep 2011 12:00:53 +0000 | urbanc | small typo | changeset | files |
Mon, 12 Sep 2011 19:50:21 +0000 | urbanc | a final polishing before submitting later this week | changeset | files |