Equivariant Littlewood-Richardson Skew Tableaux
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🧮 math.AG
math.CO
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littlewood-richardsonequivariantproofruletableauxbijectiondescribediscovered
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We give a positive equivariant Littlewood-Richardson rule also discovered independently by Molev. Our proof generalizes a proof by Stembridge of the ordinary Littlewood-Richardson rule. We describe a weight-preserving bijection between our indexing tableaux and the Knutson-Tao puzzles.
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