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Bi-HKT Manifolds, Sigma Models, Large N=4 and their String Constructions
February 24, 2026 @ 4:15 pm - 6:00 pm

Geometry and Quantum Theory Seminar
Speakers: Max Hübner, CMSA
Title: Bi-HKT Manifolds, Sigma Models, Large N=4 and their String Constructions
Abstract: We continue our review of Witten’s paper “Instantons and the Large N=4 Algebra”. We discuss the realization of large N=4 supersymmetry in the context of supersymmetric sigma-models, and discuss and motivate string theoretic duals to these sigma models. This talk aims to supply physical insight building on Saman’s talk from last week 2/17.