School Seminars and Colloquia

Idempotents with polynomial coefficients

Mathematical Physics Seminar

by Professor Alain Lascoux

Institution: Université de Marne-la-Vallee
Date: Mon 28th February 2011
Time: 1:00 PM
Location: Old Geology 2, The University of Melbourne

Abstract: Idempotents of the symmetric group are sums of permutations, with complex coefficients, equal to their square. They have been first described by Young. We show that one can take more general coefficients, which are products of Vandermondes in $n$ indeterminates in the case of $S_n$.

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