Tue, 02 Mar 2010 15:05:35 +0100 updated (added lemma about commuting permutations)
Christian Urban <urbanc@in.tum.de> [Tue, 02 Mar 2010 15:05:35 +0100] rev 1305
updated (added lemma about commuting permutations)
(0) -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 tip