Weight 2 blocks of double covers of symmetric groups

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• Matt Fayers (Queen Mary London)
• Wednesday 08 November 2017, 16:30-17:30
• MR12.

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

The problem of determining the decomposition numbers of the symmetric groups seems to get harder the more we learn about it. Some success has been had for blocks of small defect; in particular, for defect 2 there is a nice combinatorial formula for the decomposition numbers due to Richards. I will describe this, and then talk about my attempts to find an analogous result for defect 2 blocks of double covers of symmetric groups.

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

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