Contents
Microstates free entropy and cost of equivalence relations
DIMITRI SHLYAKHTENKQ________ 375
Billiards in rectangles with barriers
ALEX ESKIN, HOWARD MASUR,
and MARTIN SCHMOLL 427
The geometry of Grauert tubes and complexification of symmetric spaces
D. BURNS, S. HALVERSCHEID, and R. HIND 465
Diophantine approximations and toric deformations
ROBERTO G. FERRETTI ___ 493
On the p-adic L-function of a modular form at a supersingular prime
ROBERT POLLACK 523