The Terwilliger algebra of a tree

发布时间：2018-04-03 作者：浏览次数：

Speaker:	Professor Tatsuro Ito	DateTime:	2018年04月03日（星期二）上午10:30—11:30
Brief Introduction to Speaker: Professor Tatsuro Ito，安徽大学.		Place:	六号楼6401
Abstract: I will define an algebra for a connected simple graph, which is called the Terwilliger algebra, and consider the action of this algebra on the standard module. After discussing some basic properties of this module, I will show (i) the isomorphism class of a tree is determined by the action of the Terwilliger algebra on the standard module, (ii) the Terwilliger algebra is isomorphic to the centralizer algebra of the one-point stabilizer in the automorphism group of the tree.

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