16 Gennaio, 2006 17:00
Seminario Matematico e Fisico di Milano
Invariant Tori and Diffusion: Dynamical Stability in Hamiltonian Systems
Chong-Qing Cheng, University of Nanjing (Cina)
Dipartimento di Matematica - Università degli Studi - Via Saldini 50 - Milano - Sala di Rappresentanza
Abstract
In this lecture, I shall give a brief review of some developments in KAM theory and the problem of Arnold diffusion, such as the lower dimensional tori in resonant regions, natural parametrization and Russmann's condition and variational construction of diffusion orbits.