Algebraic Geometry Seminar

Series: Algebraic Geometry Seminar Series

Wall-crossing formula for Gromov-Witten invariants

Chris Woodward, Department of Mathematics, Rutgers University,

I will review results of Thaddeus and Kalkman on variation of git quotient, especially Kalkman's wall-crossing formula for intersection pairings in cohomology under vgit. Then I will discuss joint work with Gonzalez of a quantum version. Recent work with Gonzalez and Solis gives purely algebraic proofs.

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