Contents Online

# Mathematical Research Letters

## Volume 20 (2013)

### Number 2

### Contents

Theta lifts and local Maass forms

pp. 213-234

Weak trace measures on Hardy-Sobolev spaces

pp. 235-254

A splitting theorem on toric manifolds

pp. 273-278

Taut sutured manifolds and twisted homology

pp. 289-303

Counting sheaves using spherical codes

pp. 305-323

Characteristic cycles and decomposition numbers

pp. 359-366

Quaternions and Kudla’s matching principle

pp. 367-383

Singularities of Richardson varieties

pp. 391-400