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Symplectic excision

2021-12-20 12:08

报告人: 唐修棣

报告人单位: 北京理工大学

时间: 2021年12月21日 15:30-17:00

地点: 腾讯ID463205164

开始时间: 2021年12月21日 15:30-17:00

报告人简介:

年:

日月:

A basic question in symplectic geometry is to classify manifolds by symplectomorphisms. This question is widely open even for open submanifolds of the standard Cartesian spaces in general. We develop techniques in differential topology to show that some subsets can be removed or excised from a noncompact symplectic manifold without affecting its symplectic structure. We use incomplete Hamiltonian vector fields and examples include a properly embedded ray.

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