scientific article; zbMATH DE number 5166048

zbMATH Open1148.57041arXivmath/0406213MaRDI QIDQ5292418

Yurii A. Neretin

Publication date: 21 June 2007

Full work available at URL: https://arxiv.org/abs/math/0406213

Title of this publication is not available (Why is that?)

zbMATH Keywords

central extensionsmapping class groupsDehn twistsymplectomorphismsCalabi invariantflux homomorphismTeichmüller group

Mathematics Subject Classification ID

Applications of global analysis to structures on manifolds (57R57) Discrete subgroups of Lie groups (22E40) Groups of diffeomorphisms and homeomorphisms as manifolds (58D05) Central extensions and Schur multipliers (19C09)

Related Items (5)

A two-cocycle on the group of symplectic diffeomorphisms ⋮ Central \(S^ 1\)-extensions of symplectic groupoids and the Poisson classes. ⋮ The flux homomorphism and central extensions of diffeomorphism groups ⋮ Extensions of quasi-morphisms to the symplectomorphism group of the disk ⋮ Remarks on the exotic central extension of the planar Galilei group

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