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BIMSA-YMSC Number Theory Lunch Seminar

Organizers：

Yong Suk Moon, Koji Shimizu

Speaker：

Artan Sheshmani

Time：

Thur., 12:00-13:00, May 28, 2026

Venue：

BIMSA A4-1

Title：

Counting torsion 2 dimensional sheaves in CY3 and modular forms II

Abstract:

There is a conjecture by physicists that counting of torsion sheaves with 2 dimensional support deforming in ambient Calabi Yau threefold is governed by modular form partition functions. I will discuss some of the results I have had in this direction during the past 15 years.