Brauer groups and obstruction problems: moduli spaces and arithmetic February 25 to March 1, 2013 American Institute of Mathematics, Palo Alto, CA Organizers: Asher Auel, Brendan Hassett, Anthony V'arilly-Alvarado, and Bianca Viray Description: This workshop, sponsored by AIM and the NSF, will be devoted to studying elements of the Brauer group from both an arithmetic perspective and a Hodge-theoretic and derived categorical perspective. Deadline: October 25, 2012 Details: http://www.aimath.org/ARCC/workshops/brauermoduli.html