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Free-fermions and canonical Grothendieck polynomials
Published 9 Nov 2022 in math.CO, math.KT, and math.RA | (2211.05002v2)
Abstract: We give a presentation of refined (dual) canonical Grothendieck polynomials and their skew versions using free-fermions. Using this, we derive a number of identities, including the skew Cauchy identities, branching rules, expansion formulas, and integral formulas.
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