******** NCTS/CTC/NTHU HEP Seminar ********

Speaker： Dr. Samuel Crew (Ruhr-Universität Bochum)

Title ： Hemisphere blocks of 3d N=4 gauge theories.

Time ： 12:30-13:30, Thursday, 2023/9/28

Place ： R019, Physics Building, Nat'l Tsing Hua Univ.

Host ： Prof. Chong-Sun Chu (NTHU)

Abstract:
We discuss the geometric and representation theoretic interpretation of hemisphere partition functions and vortices in 3d N=4 gauge theories.
We revisit holomorphic factorisation in terms of so-called hemisphere blocks and introduce new formulae for various three manifold partition functions in
terms of characters of Higgs and Coulomb quantised chiral rings. In particular, we will elucidate connections between the enumerative geometry of quasimap
moduli spaces and 3d mirror symmetry.