Perturbation theory for Lyapunov exponents of a toral map: extension of a result of Shub and Wilkinson
arXiv:nlin/0107022
Abstract
Starting from a hyperbolic toral automorphism, we obtain, for a small volume preserving perturbation, an exact and rigorous second order perturbation expansion of the Lyapunov exponents.
15 pages, this new version has a few confusing misprints corrected