May 31, 2021 to June 5, 2021
Online
Asia/Tokyo timezone

BPS (shifted) quiver Yangians and representations from colored crystals

May 31, 2021, 5:30 PM
1h 15m
Online

Online

Organized by Kavli IPMU

Speaker

Wei Li (ITP, Chinese Academy of Sciences)

Description

I will first explain how to construct BPS algebras for string theory on general toric Calabi-Yau threefolds, based on the 3D colored crystals that describe BPS states of the system. The resulting algebras are shifted quiver Yangians Y(Q,W) that are associated with the quiver and the superpotential of the theory. Then I will show how to construct representations of a shifted quiver Yangian from general subcrystals of the canonical crystal, and how the shape of the subcrystal determines the framing of the quiver.

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