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math.CO2022
Insertion algorithms for Gelfand -graphs
Eric Marberg, Yifeng Zhang
The two tableaux assigned by the Robinson--Schensted correspondence are equal if and only if the input permutation is an involution, so the RS algorithm restricts to a bijection be…
math.RT2022★ 1 cited
Perfect models for finite Coxeter groups
Eric Marberg, Yifeng Zhang
A model for a finite group is a set of linear characters of subgroups that can be induced to obtain every irreducible character exactly once. A perfect model for a finite Coxeter g…