Existence of whiskered KAM tori of conformally symplectic systems
Existence of whiskered KAM tori of conformally symplectic systems
复制标题
共形辛系统须状 KAM 环面的存在性
DOI:
10.1088/1361-6544/ab4c80
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发表时间:
2020
期刊:
影响因子:
1.7
通讯作者:
de la Llave, Rafael
中科院分区:
文献类型:
--
作者:
Calleja, Renato C;Celletti, Alessandra;de la Llave, Rafael
Many physical problems are described by conformally symplectic systems (ie systems whose evolution in time transforms a symplectic form into a multiple of itself). We study the existence of whiskered tori in a family of conformally symplectic maps depending on parameters (often called drifts). We recall that whiskered tori are tori on which the motion is a rotation, but they have as many expanding/contracting directions as allowed by the preservation of the geometric structure.
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