Tue, 26 Oct 2010 13:01:22 +0000 urbanc more experiments
Sun, 24 Oct 2010 01:17:44 +0000 urbanc a few more experiments, but no proof for the ALT-case
Sat, 23 Oct 2010 12:51:38 +0000 wu add some proofs about the other direction
Fri, 22 Oct 2010 19:43:56 +0000 urbanc deleted two unnecessary lemmas
(0) -10 -4 +4 +10 +30 +100 +300 tip