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Geometry and Physics Seminar

Hemisphere partition function, LG models and FJRW invariant

Mauricio Romo

Location:  NHETC Common Room
Date & time: Thursday, 04 October 2018 at 2:30PM - 3:30PM

Abstract: We consider LG orbifolds and the central charges of their B-branes (equivariant matrix factorizations) in the context of Gauged Linear Sigma Models (GLSM). We will focus on the hemisphere partition function on the GLSM extension of certain LG orbifolds, and how this provides information about their Gamma class, I/J-function and some predictions about FJRW invariants.

This is joint work with J. Knapp and E. Scheidegger.

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