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math.CO2017★ 4 cited
Prism tableaux for alternating sign matrix varieties
Anna Weigandt
A prism tableau is a set of reverse semistandard tableaux, each positioned within an ambient grid. Prism tableaux were introduced to provide a formula for the Schubert polynomials…
math.CO2017
Schubert polynomials, 132-patterns, and Stanley's conjecture
Anna Weigandt
Motivated by a recent conjecture of R. P. Stanley we offer a lower bound for the sum of the coefficients of a Schubert polynomial in terms of -pattern containment.