Mathematical Research Letters

Volume 19 (2012)

Number 3

Contents

The conjugacy relation on unitary representations

Greg Hjorth and Asger Törnquist

pp. 525-535

Disconnected Julia sets and gaps in the spectrum of Laplacians on symmetric finitely ramified fractals

Kathryn E. Hare, Benjamin A. Steinhurst, Alexander Teplyaev, and Denglin Zhou

pp. 537-553

Gradient estimate for eigenforms of Hodge Laplacian

Jiaping Wang and Linfeng Zhou

pp. 575-588

On the genus of infinite groups

Iain Aitchison and Lawrence Reeves

pp. 601-612

Eigenvalues of collapsing domains and drift Laplacians

Zhiqin Lu and Julie Rowlett

pp. 627-648

A note on exact forms on almost complex manifolds

Tedi Draghici and Weiyi Zhang

pp. 691-697

Potential scattering and the continuity of phase-shifts

Jesse Gell-Redman and Andrew Hassell

pp. 719-729