MATHEMATICAL RESEARCH LETTERS CONTENTS
Volume 14, Number 1 January 2007
Juan Martin Mombelli and Sonia Natale, Tensor categories and vacant double groupoids 1 A. Granja, The valuative tree of a two-dimensional regular local ring 19 Nicolas Burq and Michael Hitrik, Energy decay for damped wave equations
on partially rectangular domains 35 Joaquim Martin and Mario Milman, Sharp Gagliardo-Nirenberg inequalities
via symmetrization 49 J. Ross, Seshadri constants on symmetric products of curves 63 Herbert Koch, Hart F. Smith, and Daniel Tataru, Sharp Lq bounds on
spectral clusters for Holder metrics 77 Richard Oberlin, Bounds for Kakeya-type maximal operators associated with
k-planes 87 Pavlos Tzermias, Almost rational torsion points and the cuspidal torsion packet
on Fermat quotient curves 99 Pedro Freitas and David Krejcirik, Unbounded planar domains whose second
nodal line does not touch the boundary 107 Chung Pang Mok, Sato-Tate distribution for abelian varieties with real multipli-
cation over function fields 113 Ivan V. Arzhantsev and Jurgen Hausen, On the multiplication map of a
multigraded algebra 129 Kathrin Bringmann, Charles H. Conley, and Olav K. Richter, Maass-
Jacobi forms over complex quadratic fields 137 Yuri G. Zarhin, Abelian varieties without homotheties 157
