Mon, 14 Feb 2011 07:42:16 +0000 urbanc updated
Sun, 13 Feb 2011 10:36:53 +0000 zhang More into the second direction
Fri, 11 Feb 2011 13:30:37 +0000 urbanc included comments by Xingyuan
Fri, 11 Feb 2011 12:13:35 +0000 urbanc slightly streamlined the proof
Thu, 10 Feb 2011 21:00:40 +0000 urbanc simplified a bit the proof
Thu, 10 Feb 2011 13:10:16 +0000 urbanc more things
Thu, 10 Feb 2011 12:32:45 +0000 urbanc latest on the paper
(0) -30 -10 -7 +7 +10 +30 +100 tip