Siddheswar Kundu

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20232026

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math.RT2026

A second reduction-type formula for the refined Littlewood--Richardson coefficients in type A

Siddheswar Kundu

For a permutation $w$ in the symmetric group $S_{n}$ and partitions $λ, μ, ν$ with at most $n$ parts, the refined Littlewood--Richardson (LR) coefficients $c_{λ, μ}^{ν} (w)$ in type $A_n…

math.RT2023

Saturation for Flagged Skew Littlewood-Richardson Coefficients

Siddheswar Kundu, K. N. Raghavan, V. Sathish Kumar +1

We define and study a generalization of the Littlewood-Richardson (LR) coefficients, which we call the flagged skew LR coefficients. These subsume several previously studied extens…