University of Cambridge > > Algebra and Representation Theory Seminar > The rationality of blocks of quasi-simple finite groups

The rationality of blocks of quasi-simple finite groups

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  • UserNiamh Farrell (Kaiserslautern)
  • ClockWednesday 29 November 2017, 16:30-17:30
  • HouseMR12.

If you have a question about this talk, please contact Christopher Brookes.

Morita Frobenius numbers were introduced by Radha Kessar in 2004 in the context of Donovan’s Conjecture in block theory. The Morita Frobenius number of an algebra is the number of Morita equivalence classes of its Frobenius twists. I will present results from joint with with Radha Kessar where we aim to bound the Morita Frobenius numbers of blocks of quasi-simple finite groups. I will explain the connection to Donovan’s Conjecture, and illustrate how recent results of BonnafĂ©-Dat-Rouquier played a crucial role in our methods.

This talk is part of the Algebra and Representation Theory Seminar series.

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