Cohomology rings of symplectic cuts

✍ Scribed by Jean-Claude Hausmann; Allen Knutson

• Book ID: 104358340
• Publisher: Elsevier Science
• Year: 1999
• Tongue: English
• Weight: 381 KB
• Volume: 11
• Category: Article
• ISSN: 0926-2245
• DOI: 10.1016/s0926-2245(99)00027-3

✦ Synopsis

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-.