TY - JOUR T1 - KAM Type-Theorem for Lower Dimensional Tori in Random Hamiltonian Systems AU - Li , Yong AU - Xu , Lu JO - Communications in Mathematical Research VL - 1 SP - 81 EP - 96 PY - 2021 DA - 2021/05 SN - 27 DO - http://doi.org/ UR - https://global-sci.org/intro/article_detail/cmr/19109.html KW - random Hamiltonian system, KAM type theorem, Cantor fragment of invariant tori. AB -

In this paper, we study the persistence of lower dimensional tori for random Hamiltonian systems, which shows that majority of the unperturbed tori persist as Cantor fragments of lower dimensional ones under small perturbation. Using this result, we can describe the stability of the non-autonomous dynamic systems.