Symplectic cuts

Research output: Contribution to journalArticlepeer-review

Abstract

According to McDuff the blow-up operation in symplectic geometry amounts to a removal of an open symplectic ball followed by a collapse of some boundary directions. In this paper I describe a generalization of the blow-up construction–-the symplectic cut. In the case of symplectic manifolds with Hamiltonian circle action, the construction allows us to embed the reduced spaces in a symplectic manifold (“the symplectic cut”) as codimension 2 symplectic submanifolds. Several applications are discussed.
Original languageEnglish (US)
Pages (from-to)247-258
Number of pages12
JournalMathematical Research Letters
Volume2
Issue number3
DOIs
StatePublished - Jan 1 1995
Externally publishedYes

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