New families of decomposable Specht modules

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• Haralampos Geranios (York)
• Wednesday 15 November 2017, 16:30-17:30
• MR12.

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

This is joint work with S. Donkin. The Specht modules are key players in the representation theory of the symmetric groups. If the characteristic of the field is different than 2, it is well-known that they are indecomposable. In characteristic 2 there exist decomposable Specht modules but only a few families of such modules have been discovered. In this talk I will present some new families of decomposable Specht modules and describe their indecomposable summands.

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

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