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Homology Flows, Cohomology Cuts

✍ Scribed by Chambers, Erin W.; Erickson, Jeff; Nayyeri, Amir

Book ID
118154608
Publisher
Society for Industrial and Applied Mathematics
Year
2012
Tongue
English
Weight
636 KB
Volume
41
Category
Article
ISSN
0097-5397

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Cohomology rings of symplectic cuts
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✍ Jean-Claude Hausmann; Allen Knutson πŸ“‚ Article πŸ“… 1999 πŸ› Elsevier Science 🌐 English βš– 381 KB

The "symplectic cut" construction of Lerman produces two symplectic orbifolds C\_ and c'+ from ;t symplectic manifold M with a Hamiltonian circle action. We compute the rational cohomology ring of c', in terms of those of M and C-.