| Fri, 04 Feb 2011 22:54:29 +0000 | urbanc | more on the introduction | file | diff | annotate |
| Thu, 03 Feb 2011 05:38:47 +0000 | urbanc | a bit more tuning on the introduction | file | diff | annotate |
| Wed, 02 Feb 2011 06:05:12 +0000 | urbanc | removed the inductive definition of Star and replaced it by a definition in terms of pow | file | diff | annotate |
| Mon, 31 Jan 2011 12:54:31 +0000 | urbanc | a bit more on the paper | file | diff | annotate |