Volume 164 Issue 1 – July 2006

An abelianization of the SU(2) WZW model

Pages 1-49 by Tomoyoshi Yoshida

The strong perfect graph theorem

Pages 51-229 by Maria Chudnovsky, Neil Robertson, Paul Seymour, Robin Thomas

Minimal surfaces from circle patterns: Geometry from combinatorics

Pages 231-264 by Alexander I. Bobenko, Tim Hoffmann, Boris A. Springborn

The Brjuno function continuously estimates the size of quadratic Siegel disks

Pages 265-312 by Xavier Buff, Arnaud Chéritat

Whitney’s extension problem for $C^m$

Pages 313-359 by Charles Fefferman

Higher-order tangents and Fefferman’s paper on Whitney’s extension problem

Pages 361-370 by Edward Bierstone, Pierre D. Milman, Wiesław Pawłucki