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September 10: Jun Li (Stanford)

Toward a recursive algorithm of GW invariants of quintic CY threefolds

Jun Li (Stanford)

We introduce Mixed-Spin-P fields and prove a collection of vanishing using virtual localization on their moduli space. These vanishings provide relations among GW invariants of quintic CY threefolds, FJRW invariants with insertion 2/5 for quintic polynomial, and Hodge integrals on moduli of curves. We conjecture that they can effectively compute all such FJRW invariants and GW invariants. This is a joint work with HL. Chang, WP. Li and CC. Liu.

Wednesday, Sep 12, 4:30 – 5:30 p.m.
Mathematics 520
Tea will be served at 4:00 p.m.

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