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Counting blocks

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GR2W01 - Counting conjectures and beyond

Related to a question of Brauer on bounds on the entries of the Cartan matrix of block of a finite group, Donovan’s conjecture suggests that there should only be finitely many Morita equivalence classes of blocks with a given defect group. There has been some progress on this conjecture, and where it is known to be true we might try to list such classes. I will review progress on Donovan’s conjecture and the description of Morita equivalence classes of blocks with a given defect. 

This talk is part of the Isaac Newton Institute Seminar Series series.

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