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math.CO2003★ 1 cited
Quiver coefficients are Schubert structure constants
Anders Skovsted Buch, Frank Sottile, Alexander Yong
We give an explicit natural identification between the quiver coefficients of Buch and Fulton, decomposition coefficients for Schubert polynomials, and the Schubert structure const…
math.CO2003★ 3 cited
On combinatorics of quiver component formulas
Alexander Yong
Buch and Fulton conjectured the nonnegativity of the quiver coefficients appearing in their formula for a quiver variety. Knutson, Miller and Shimozono proved this conjecture as an…
math.CO2003★ 3 cited
Grothendieck polynomials and quiver formulas
Anders Skovsted Buch, Andrew Kresch, Harry Tamvakis +1
Fulton's universal Schubert polynomials give cohomology formulas for a class of degeneracy loci, which generalize Schubert varieties. The K-theoretic quiver formula of Buch express…