Dual Grothendieck polynomials via last-passage percolation
24 Feb 2020
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Yeliussizov Damir
The ring of symmetric functions has a basis of dual Grothendieck polynomials
that are inhomogeneous $K$-theoretic deformations of Schur polynomials. We
prove that dual Grothendieck polynomials determine column distributions for a
directed last-passage percolation model...