David Ben-Ezra (UCSD)

The Congruence Subgroup Problem for Automorphism Groups  

David Stapleton (UCSD)

Measures of Irrationality of Algebraic Varieties  

Werner Bley(Universtät München)

Congruences for critical values of higher derivatives of twisted Hasse-Weil $L$-functions  

Kiran Kedlaya (UCSD)

Models for modular forms: part 1