Volume 154 Issue 2- September 2001

## Small amplitude limit cycles and the distribution of zeros of families of analytic functions

Pages 227-243 by Alexander Brudnyi

## Comparing Poincaré densities

Pages 245-267 by Frederick P. Gardiner, Nikola Lakic

## Global density of reducible quasi-periodic cocycles on $\mathbf{T}^1 \times \mathrm{SU}(2)$

Pages 269-326 by Raphaël Krikorian

## Composition factors of monodromy groups

Pages 327-345 by Daniel Frohardt, Kay Magaard

## Congruences of Néron models for tori and the Artin conductor (with an appendix by Ehud de Shalit)

Pages 347-382 by Ching-Li Chai, Jiu-Kang Yu

## Diameters of finite simple groups: sharp bounds and applications

Pages 383-406 by Martin W. Liebeck, Aner Shalev

## Periodic complexes and group actions

Pages 407-435 by Alejandro Adem, Jeff H. Smith

## Isospectral pairs of metrics on balls, spheres, and other manifolds with different local geometries

Pages 437-475 by Zoltán I. Szabó

## Nonvanishing of $L$-values and the Weyl law

Pages 477-502 by Wenzhi Luo

## A local monotonicity formula for mean curvature flow

Pages 503-525 by Klaus Ecker

## Corrigendum: Stable intersections of regular Cantor sets with large Hausdorff dimensions

Pages 527- by Carlos Gustavo T. de A. Moreira, Jean-Christophe Yoccoz