Computing arithmetic spectra March 10 to March 14, 2008 American Institute of Mathematics, Palo Alto, CA Organizers: Andew Booker, Sally Koutsoliotas, Stefan Lemurell, and Andreas Strombergsson Description: This workshop, sponsored by AIM and the NSF, concerns methods for computing eigenvalues of the Laplacian on congruence subgroups of SL(2,Z) and generalizations to higher rank groups. Deadline: November 1, 2007 Details: http://aimath.org/ARCC/workshops/arithspectra.html