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About
President
Governance
Partner Institutions
Visit
People
Management
Faculty
Postdocs
Visiting Scholars
Staff
Research
Research Groups
Courses
Seminars
Join Us
Faculty
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Qiuzhen College, Tsinghua University
Yau Mathematical Sciences Center, Tsinghua University (YMSC)
Tsinghua Sanya International  Mathematics Forum (TSIMF)
Shanghai Institute for Mathematics and  Interdisciplinary Sciences (SIMIS)
BIMSA > BIMSA TQFT and Higher Symmetries Seminar A topological-holomorphic integrable field theory from Lie 2-groups and the 2-Kac-Moody algebra
A topological-holomorphic integrable field theory from Lie 2-groups and the 2-Kac-Moody algebra
Organizers
Ansi Bai , Chun Chen , Liang Kong , Yi Long Wang , Zhi Hao Zhang , Hao Zheng
Speaker
Chun Chen
Time
Tuesday, September 24, 2024 10:00 AM - 11:30 AM
Venue
A3-2-102
Online
Zoom 712 322 9571 (BIMSA)
Abstract
In this talk, I will introduce a 3d topological-holomorphic integrable field theory based on the structure of strict Lie 2-groups. Its higher currents and the geometric properties of their holonomies will be analyzed, which exhibit direct analogues of those in the 2d Wess-Zumino-Witten model. Then, I will introduce a higher homotopy generalization of the Kac-Moody algebra, and demonstrate that it underpins not only the global symmetries of our specific 3d model, but also the theory of higher Lax integrability in general. At the end, I will observe that this model seem to be intimately related to both the raviolo VOAs of Garner-Williams and the lasagna modules of Manolescu-Walker-Wedrich, and hence could be used to produce higher-skein 4d invariants from higher quantum algebras.
This talk is based on my recent works arXiv:2405.18625, arXiv:2307.03831.
Beijing Institute of Mathematical Sciences and Applications
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