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Presented By: Department of Mathematics

Geometry & Physics Seminar

Oscillatory integrals on T-dual branes

I will describe how to compute oscillatory integrals on T-dual branes in the LG model mirror to a toric variety. The result is a genus-0 descendant Gromov-Witten potential. By identifying this T-dual brane with a Lefschetz thimble one can obtain the asymptotic expansion of this potential, and relates to the Gamma II conjecture which concerns the asymptotic expansion of solutions to the quantum differential equations. Speaker(s): Bohan Fang (Beijing International Center of Mathematical Science)

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