Articles with primary mathematical subject classification: 37J35

On the local Birkhoff conjecture for convex billiards

Pages 315-380 by Vadim Kaloshin, Alfonso Sorrentino | From volume 188-1

An integrable deformation of an ellipse of small eccentricity is an ellipse

Pages 527-558 by Artur Avila, Jacopo De Simoi, Vadim Kaloshin | From volume 184-2