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Home » Commutative Algebra and Algebraic Geometry: The Fellowship of the Ring: Decomposing Tensor Products

Seminar

Commutative Algebra and Algebraic Geometry: The Fellowship of the Ring: Decomposing Tensor Products March 20, 2018 (03:45 PM PDT - 05:00 PM PDT)
Parent Program: --
Location: Room 103 in the Genetics and Plant Biology building
Speaker(s) Persi Diaconis (Stanford University)
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Building new representations out of old ones by tensoring is a basic construction; indeed, an old theorem of Burnside and Brauer says that all representations of a finite group can be built this way, starting from one faithful representation. Of course, decomposing tensor products can be a nightmare (the Kronecker problem). Its even worse over general rings. Surprisingly, there is a useful connection to probability theory.

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