# Projective transformations of rotation sets Article - 2019

Francois Beguin, Sylvain Crovisier, Frederic Le Roux

Francois Beguin, Sylvain Crovisier, Frederic Le Roux, « Projective transformations of rotation sets  », Nonlinearity, 2019, pp. 1237-1241

Abstract

We give a new proof and extend a result of J. Kwapisz : whenever a set C is realized as the rotation set of some torus homeomorphism, the image of C under certain projective transformations is also realized as a rotations set.