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On Picard groups  of  blocks of finite group algebras

Representations of Finite and Algebraic Groups April 09, 2018 - April 13, 2018

April 09, 2018 (11:00 AM PDT - 12:00 PM PDT)
Speaker(s): Radha Kessar (City University)
Location: MSRI: Simons Auditorium
Primary Mathematics Subject Classification No Primary AMS MSC
Secondary Mathematics Subject Classification No Secondary AMS MSC



I will present joint work with Robert Boltje and Markus Linckelmann on the structure of   the Picard group  of self Morita equivalences of a block of a finite group algebra  over  a complete discrete valuation ring. In particular, I will give a description of the subgroup  of  endopermutation source  Morita  equivalences in terms of the underlying fusion system, Dade group, and source algebra.

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