133 citations · 1.4k across the 77 of their papers we have counts for
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math.CO2014★ 3 cited
A combinatorial proof that Schubert vs. Schur coefficients are nonnegative
Sami Assaf, Nantel Bergeron, Frank Sottile
We give a combinatorial proof that the product of a Schubert polynomial by a Schur polynomial is a nonnegative sum of Schubert polynomials. Our proof uses Assaf's theory of dual eq…
math.CO2014★ 21 cited
Fan realizations of subword complexes and multi-associahedra via Gale duality
Nantel Bergeron, Cesar Ceballos, Jean-Philippe Labbé
We present complete simplicial fan realizations of any spherical subword complex of type for . This provides complete simplicial fan realizations of simplicial multi…