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math.CO2013
Root-theoretic Young diagrams and Schubert calculus II
Dominic Searles
We continue the study of root-theoretic Young diagrams (RYDs) from [Searles-Yong '13]. We provide an RYD formula for the Belkale-Kumar product, after [Knutson-Purbhoo '11],…
math.CO2013
Root-theoretic Young diagrams and Schubert calculus: planarity and the adjoint varieties
Dominic Searles, Alexander Yong
We study root-theoretic Young diagrams to investigate the existence of a Lie-type uniform and nonnegative combinatorial rule for Schubert calculus. We provide formulas for (co)adjo…