Gromov-Witten invariants and number theory April 1 to April 5, 2013 American Institute of Mathematics, Palo Alto, CA Organizers: Albrecht Klemm, Yongbin Ruan, and Don Zagier Description: This workshop, sponsored by AIM and the NSF, will focus on the current interactions of Gromov-Witten invariants and number theory. Deadline: December 15, 2012 Details: http://www.aimath.org/ARCC/workshops/gromwitnumthry.html