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Seminar

The entropy of Schur-Weyl measures February 01, 2012 (11:00 AM PST - 12:00 PM PST)
Parent Program: --
Location: MSRI: Simons Auditorium
Speaker(s) Sevak Mkrtchyan (University of Rochester)
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Relative dimensions of the isotypic components of the N-th order tensor representations of the symmetric group on n letters give a Plancherel-type measure, called the Schur-Weyl measure, on the set of Young diagrams with n cells and at most N rows. We obtain logarithmic, order-sharp bounds for the maximal dimensions of the isotypic components of the tensor representations and prove that the typical dimensions, after appropriate normalisation, converge to a constant with respect to the Schur-Weyl measures.

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