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    【创源大讲堂学术讲座】Modular extensions and orbifold theory

    2025-06-04  点击:[]

    报告题目:Modular extensions and orbifold theory

    报告人: 董崇英

    报告时间:2025年6月11日上午10:50-11:40

    报告地点:西南交通大学犀浦校区X30425

    摘要:For any finite group G, its module category Rep(G) is a symmetric braided fusion category. The modular extensions of Rep(G) have been studied extensively by Muger, Drinfeld-Gelaki-Nikshych-Ostrik, Lan-Kong-Wen and others. In this talk we will present a connection between modular extensions and orbifold theory, and discuss how this connection leads to a proof of a conjecture by Dijkgraaf-Pasquier-Roche on holomorphic orbifold theory.

    报告人简介:董崇英,美国加州大学Santa Cruz分校终身教授,国际上无限维李代数和顶点算子代数领域最杰出的数学家之一,在Acta Math.,Duke Math.,Adv. Math.,Comm. Math. Phys.等国际著名期刊发表论文100多篇,总引用超过4000次,其中包括Fields奖获得者Drinfeld,Zelmanov和Borcherds以及著名数学家如Beilinson和Kac等人的重要引用。

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