saturday schedule 10:30 - 11:00 am coffee and assorted danish 11:00 - 12:00 pm gunther uhlmann, university of washington boundary rigidity and the dirichlet-to-neumann map 1:30 - 2:30 pm chuu-lian terng, uci & northeastern university periodic and homoclinic orbits of the modified 2+1 chiral model 2:45 - 3:45 pm oded schramm, microsoft research conformally invariant random processes in two dimensions 3:45 - 4:15 pm coffee break 4:15 - 5:15 pm michael lacey, georgia tech hilbert transforms and smooth families of lines