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