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math.RT2026
Parabolic conjugacy class in finite reductive groups and its additive analogue
GyeongHyeon Nam
In this paper, we answer the question posed by Goodwin and Röhrle for reductive groups and their parabolic subgroups. In addition, we consider an additive analogue of this problem.…
math.RT2025
Multiplicity of characters of finite reductive groups and Drinfeld doubles
GyeongHyeon Nam
In this paper, we compute the multiplicities of tensor products of almost unipotent characters and Deligne Lusztig characters of a finite reductive group , and these multiplic…
math.RT2023
Saxl conjecture and the tensor square of unipotent characters of GL(n,q)
Emmanuel Letellier, GyeongHyeon Nam
We know from Letellier that if for some triple of partitions the corresponding Kronecker coefficient is non-zero then the corresponding multiplicities for unipotent characters of G…