| Tue, 26 Oct 2010 13:01:22 +0000 | urbanc | more experiments | file | diff | annotate |
| Sun, 24 Oct 2010 01:17:44 +0000 | urbanc | a few more experiments, but no proof for the ALT-case | file | diff | annotate |
| Sat, 23 Oct 2010 12:51:38 +0000 | wu | add some proofs about the other direction | file | diff | annotate |