Abstract:Abstract. We introduce common generalization of (double) Schubert, Grothendieck, Demazure, dual and stable Grothendieck polynomials, and Di Francesco-Zinn-Justin polynomials. Our approach is based on the study of algebraic and combinatorial properties of the reduced rectangular plactic algebra and associated Cauchy kernels.Key words: plactic monoid and reduced plactic algebras; nilCoxeter and idCoxeter algebras; Schubert, β-Grothendieck, key and (double) key-Grothendieck, and Di FrancescoZinn-Justin polynomial… Show more
“…Definition 4. 71. The even generic Orlik-Solomon algebra OS + (Γ n ) is defined to be an associative algebra (say over Z) generated by the set of mutually commuting elements y i,j , 1 ≤ i = j ≤ n, subject to the set of cyclic relations…”
Section: Corollary 464mentioning
confidence: 99%
“…• If A = (−1, 2, 0, 1, 1), then S A w (X n ) is equal to the Di Francesco-Zinn-Justin polynomials and studied in [32,33,34] and [71].…”
Section: Proposition 4121 ([71])mentioning
confidence: 99%
“…• If A = (0, 0, 1, 0, 0), then K A α (X n ) is equal to the reduced key polynomial introduced in [71].…”
Section: Proposition 4121 ([71])mentioning
confidence: 99%
“…71. For any permutation w ∈ S n there exists a graph Γ w = (V, E), possibly with multiple edges, such that the reduced volume vol(F Γw ) of the flow polytope F Γw , see, e.g., [132] for a definition of the former, is equal to S w (1).…”
Abstract. We study some combinatorial and algebraic properties of certain quadratic algebras related with dynamical classical and classical Yang-Baxter equations.
“…Definition 4. 71. The even generic Orlik-Solomon algebra OS + (Γ n ) is defined to be an associative algebra (say over Z) generated by the set of mutually commuting elements y i,j , 1 ≤ i = j ≤ n, subject to the set of cyclic relations…”
Section: Corollary 464mentioning
confidence: 99%
“…• If A = (−1, 2, 0, 1, 1), then S A w (X n ) is equal to the Di Francesco-Zinn-Justin polynomials and studied in [32,33,34] and [71].…”
Section: Proposition 4121 ([71])mentioning
confidence: 99%
“…• If A = (0, 0, 1, 0, 0), then K A α (X n ) is equal to the reduced key polynomial introduced in [71].…”
Section: Proposition 4121 ([71])mentioning
confidence: 99%
“…71. For any permutation w ∈ S n there exists a graph Γ w = (V, E), possibly with multiple edges, such that the reduced volume vol(F Γw ) of the flow polytope F Γw , see, e.g., [132] for a definition of the former, is equal to S w (1).…”
Abstract. We study some combinatorial and algebraic properties of certain quadratic algebras related with dynamical classical and classical Yang-Baxter equations.
“…In particular, equation (1.8) is fulfilled by the properly normalized Baxter-Belavin elliptic R-matrix [13], which is then treated as a matrix generalization of the Kronecker function (1.3). Applications of (1.8) can be found in [6,10].…”
We study a general ansatz for an odd supersymmetric version of the Kronecker elliptic function, which satisfies the genus one Fay identity. The obtained result is used for construction of the odd supersymmetric analogue for the classical and quantum elliptic R-matrices. They are shown to satisfy the classical Yang-Baxter equation and the associative Yang-Baxter equation. The quantum Yang-Baxter is discussed as well. It acquires additional term in the case of supersymmetric R-matrices.To the 80-th anniversary of Andrei Slavnov
We review and further develop a general approach to Schur positivity of symmetric functions based on the machinery of noncommutative Schur functions. This approach unifies ideas of Assaf [1,3], Lam [22], and Greene and the second author [11].
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