21 citations · 50 across the 18 of their papers we have counts for
19 papers
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…
Simple Procedures for Left and Right Keys of Semi-Standard Young Tableaux
Mrigendra Singh Kushwaha, K. N. Raghavan, Sankaran Viswanath
We give simple procedures to obtain the left and right keys of a semi-standard Young tableau. Keys derive their interest from the fact that they encode the characters of Demazure a…
The saturation property for refined Littlewood-Richardson coefficients
Mrigendra Singh Kushwaha, K. N. Raghavan, Sankaran Viswanath
Given dominant integral weights of a finite-dimensional simple Lie algebra and an element of its Weyl group, the refined tensor product multiplicity $c…
A study of Kostant-Kumar modules via Littelmann paths
Mrigendra Singh Kushwaha, K N Raghavan, Sankaran Viswanath
We study, by means of Littelmann's theory of paths, Kostant-Kumar modules (KK modules for short), which by definition are certain submodules of the tensor product of two irreducibl…
A relationship between Gelfand-Tsetlin bases and Chari-Loktev bases for irreducible finite dimensional representations of special linear Lie algebras
K N Raghavan, B Ravinder, Sankaran Viswanath
We consider two bases for an arbitrary finite dimensional irreducible representation of a complex special linear Lie algebra: the classical Gelfand-Tsetlin basis and the relatively…
-systems of symmetrizable Kac-Moody algebras
Lisa Carbone, K. N. Raghavan, Biswajit Ransingh +2
As part of his classification of regular semisimple subalgebras of semisimple Lie algebras, Dynkin introduced the notion of a -system. This is a subset of the roots such that pa…