Contents
Conformal dimension does not assume values between zero and one
LEONID V. KOVALEV 1
Finiteness of rigid cohomology with coefficients
KIRAN S. KEDLAYA 15
Irreducible symplectic 4-folds and Eisenbud-Popescu-Walter sextics
KIERANG. O'GRADY 99
Horn-stacks and restriction of scalars
MARTIN C. OLSSON 139
Markov chains in smooth Banach spaces and Gromov-hyperbolic metric spaces
ASSAF NAOR, YUVAL PERES,
ODED SCHRAMM, a n d SCOTT SHEFFIELD 165