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06/30/2023
Computational Complexity in Algebraic Combinatorics
Algebraic Combinatorics originated in Algebra and Representation Theory,...
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05/04/2023
All Kronecker coefficients are reduced Kronecker coefficients
We settle the question of where exactly the reduced Kronecker coefficien...
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05/04/2023
Complexity and asymptotics of structure constants
Kostka, Littlewood-Richardson, Kronecker, and plethysm coefficients are ...
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07/12/2022
Positivity of the symmetric group characters is as hard as the polynomial time hierarchy
We prove that deciding the vanishing of the character of the symmetric g...
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05/05/2022
Effective poset inequalities
We explore inequalities on linear extensions of posets and make them eff...
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01/14/2019