The Cohen-Lenstra heuristics for class groups June 13 to June 17, 2011 American Institute of Mathematics, Palo Alto, CA Organizers: Manjul Bhargava, Juergen Kueners, Joe Buhler, and Benedict Gross Description: This workshop, sponsored by AIM and the NSF, will be devoted to questions surrounding some of the various exciting recent developments on the Cohen-Lenstra heuristics. Deadline: February 13, 2011 Details: http://aimath.org/ARCC/workshops/classgroups.html