题目：The finite EI categories of Cartan type

报告人：汪任 博士（中国科学技术大学）

Abstract：

To each symmetrizable Cartan matrix, we associate a finite free EI category. We prove that the corresponding category algebra is isomorphic to the algebra defined in [C. Geiss, B. Leclerc, and J. Schr?er, Quivers with relations for symmetrizable Cartan matrices I: Foundations, Invent. Math. 209 (2017), 61-158], which is associated to another symmetrizable Cartan matrix. In certain cases, the algebra isomorphism provides an algebraic enrichment of the well-known correspondence between symmetrizable Cartan matrices and graphs with automorphisms.

时间：2019年11月16日（周六）下午15:00-15:50

地点：565net必赢客户端本部教二613教室

联系人：惠昌常/陈红星

主办单位：交叉研究学院

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