On the representation theory of affine vertex algebras at collapsing levels

发布时间：2018-12-25 作者：浏览次数：

Speaker:	Drazen Adamovic 教授	DateTime:	2019.01.10（周四）上午 10：30-11：30
Brief Introduction to Speaker: Drazen Adamovic ，University of Zagreb教授。		Place:	6号楼2楼报告厅
Abstract: In the first part of the talk we recall recent results on affine vertex algebras and minimal affine W-algebras. A level k is called collapsing if the associated simple minimal affine W-algebra is isomorphic to its affine vertex subalgebra. We present a proof of complete reducibility of affine vertex algebras at these levels which uses the representation theory of affine W-algebras and concepts in conformal embeddings (joint project with V. Kac, P. Moseneder-Frajria, P. Papi and O. Perse). The existence of indecomposable and logarithmic modules will be also discussed.

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