Gelfand models and Robinson-Schensted correspondence

Details Gelfand models and Robinson-Schensted correspondence Gelfand models and Robinson-Schensted correspondence

2011-01-26

arxiv.org/abs/1101.5021v1

Mathematics

Combinatorics

23 pages

Scientific paper

In [F. Caselli, Involutory reflection groups and their models, J. Algebra 24 (2010), 370--393] there is constructed a uniform Gelfand model for all non-exceptional irreducible complex reflection groups which are involutory. Such model can be naturally decomposed into the direct sum of submodules indexed by $S_n$-conjugacy classes, and we present here a general result that relates the irreducible decomposition of these submodules with the projective Robinson-Schensted correspondence. This description also reflects in a very explicit way the existence of split representations for these groups.

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