| Tue, 16 Aug 2011 10:21:14 +0000 | urbanc | final(?) version of the paper | file | diff | annotate |
| Mon, 15 Aug 2011 22:36:26 +0000 | urbanc | a bit more polishing | file | diff | annotate |
| Mon, 15 Aug 2011 21:09:08 +0000 | urbanc | polishing of the closure section and conclusion | file | diff | annotate |
| Thu, 11 Aug 2011 23:42:06 +0000 | urbanc | some typos | file | diff | annotate |
| Thu, 11 Aug 2011 23:11:39 +0000 | urbanc | finished section about derivatives and closure properties | file | diff | annotate |
| Tue, 09 Aug 2011 22:15:11 +0000 | urbanc | more on paper | file | diff | annotate |
| Fri, 05 Aug 2011 05:34:11 +0000 | urbanc | more on the derivatives section | file | diff | annotate |