Tue, 15 Feb 2011 10:37:56 +0000 | urbanc | updated paper | file | diff | annotate |
Tue, 15 Feb 2011 08:08:04 +0000 | urbanc | updated paper | file | diff | annotate |
Mon, 14 Feb 2011 23:10:44 +0000 | urbanc | updated | file | diff | annotate |
Mon, 14 Feb 2011 09:38:18 +0000 | urbanc | updated paper | file | diff | annotate |
Mon, 14 Feb 2011 07:42:16 +0000 | urbanc | updated | file | diff | annotate |
Fri, 11 Feb 2011 13:30:37 +0000 | urbanc | included comments by Xingyuan | file | diff | annotate |
Thu, 10 Feb 2011 21:00:40 +0000 | urbanc | simplified a bit the proof | file | diff | annotate |