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
Thu, 10 Feb 2011 08:40:38 +0000 urbanc more on the paper
(0) -30 -10 -4 +4 +10 +30 +100 tip