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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
Postdocs
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Life @ BIMSA
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News
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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-Tsinghua Quantum Symmetry Seminar Realizing modular data from centers of near-group categories
Realizing modular data from centers of near-group categories
Organizers
Lin Zhe Huang , Zheng Wei Liu , Sébastien Palcoux , Yi Long Wang , Jin Song Wu
Speaker
Qing Zhang
Time
Wednesday, April 2, 2025 10:30 AM - 12:00 PM
Venue
A3-3-301
Online
Zoom 242 742 6089 (BIMSA)
Abstract
In this talk, I will discuss the modular data arising from the Drinfeld centers of near-group categories. I will begin by discussing a near-group category of type Z/4Z×Z/4Z+16 and explain how the modular data of its Drinfeld center can be computed by solving Izumi's polynomial equations. I will then show that modular data of rank 10 can be obtained via condensation of its Drinfeld center and present an alternative realization of this data through the Drinfeld center of a fusion category of rank 4. Finally, I will discuss the modular data of the Drinfeld center of a near-group category of type Z/8Z+8 and demonstrate that the non-pointed factor of its condensation coincides with the modular data of the quantum group category C(g2,4). This talk is based on joint work with Zhiqiang Yu.

Reference: https://arxiv.org/abs/2412.20763
Speaker Intro
I'm a Visiting Assistant Professor in the Department of Mathematics at UC Santa Barbara supervised by Zhenghan Wang.
Beijing Institute of Mathematical Sciences and Applications
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