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On the action of the symmetric group on the free LAnKe: a question of Friedmann, Hanlon, Stanley and Wachs

Citation:

Maliakas M, Stergiopoulou D-D. On the action of the symmetric group on the free LAnKe: a question of Friedmann, Hanlon, Stanley and Wachs. arXiv [Internet]. Submitted;(2410.06979).

Abstract:

A LAnKe (also known as a Lie algebra of the th kind, or a Filippov algebra) is a vector space equipped with a skew-symmetric -linear form that satisfies the generalized Jacobi identity. The symmetric group  acts on the multilinear part of the free LAnKe on  generators, where  is the number of brackets, by permutation of the generators. The corresponding representation was studied by Friedmann, Hanlon, Stanley and Wachs, who asked whether for , its irreducible decomposition contains no summand whose Young diagram has at most  columns. The answer is affirmative if $k \le 3$. In this paper, we show that the answer is affirmative for all $k$

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