Tue, 14 Dec 2010 14:31:31 +0000 wu Add new file for the new definition of the hard direction's simplification.
Fri, 26 Nov 2010 12:34:34 +0000 urbanc added a recent paper by Tobias Nipkow on regular expressions
Fri, 26 Nov 2010 10:53:14 +0000 urbanc added interesting paper by rutten
Thu, 25 Nov 2010 18:54:45 +0000 urbanc added paper
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