most recent 30 from http://mathoverflow.net 2013-05-19T06:27:14Z http://mathoverflow.net/feeds/user/27078 http://www.creativecommons.org/licenses/by-nc/2.5/rdf http://mathoverflow.net/questions/109628/inverse-of-elements-in-an-abelian-group d13 2012-10-14T17:25:46Z 2012-10-14T17:25:46Z

thanx i asked it on that website