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math.SG2023
Stability of the braid types defined by the symplecticmorphisms preserving a link
Guanheng Chen
Fix a suitable link on the disk. Recently, F. Morabito associates each Hamiltonian symplecticmorphism preserving the link to a braid type. Based on this construction, Morabito defi…
math.SG2023
Symplectic embeddings of balls into disk prequantization bundles
Guanheng Chen
A prequantization bundle is a circle bundle over a symplectic surface with negative Euler class. A connection 1-form induces a natural contact form on such a bundle. The purpose of…