Establishes Schur positivity of nabla on two-column modified Hall-Littlewood polynomials, resolving two conjectures and extending to nabla to any positive integer power.
MR1701592 [GP92] A
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Schur positivity of the nabla operator on two-column modified Hall--Littlewood polynomials
Establishes Schur positivity of nabla on two-column modified Hall-Littlewood polynomials, resolving two conjectures and extending to nabla to any positive integer power.