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Hamiltonian group actions on symplectic 6-manifolds

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  • UserNick Lindsay (King's College London)
  • ClockFriday 18 November 2016, 15:00-16:00
  • HouseMR13.

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I will begin with a quick intro to Hamiltonian group actions in symplectic geometry, in particular symplectic 6-manifolds with a Hamiltonian circle action. By results of Tolman and McDuff there are only 4 examples with second Betti number equal to 1. I will discuss a conjectural description of Hamiltonian circle actions on 6-manifolds that are “Fano” in the sense that the cohomology class of the symplectic form is a positive multiple of the first Chern class.

This talk is part of the Junior Geometry Seminar series.

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