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Quantum Corner Polynomials: A Generalization of Super Macdonald Polynomials and Their VOA Correspondence

Panupong Cheewaphutthisakun, Jun'ichi Shiraishi, Keng Wiboonton

Abstract

In this paper, we introduce a family of partially symmetric polynomials, which we call quantum corner polynomials, as a generalization of the Sergeev-Veselov super Macdonald polynomials. We show that these quantum corner polynomials are precisely the partially symmetric polynomials corresponding to the quantum corner VOAs. Furthermore, we provide a detailed proof of the partial symmetricity of these polynomials.

Quantum Corner Polynomials: A Generalization of Super Macdonald Polynomials and Their VOA Correspondence

Abstract

In this paper, we introduce a family of partially symmetric polynomials, which we call quantum corner polynomials, as a generalization of the Sergeev-Veselov super Macdonald polynomials. We show that these quantum corner polynomials are precisely the partially symmetric polynomials corresponding to the quantum corner VOAs. Furthermore, we provide a detailed proof of the partial symmetricity of these polynomials.

Paper Structure

This paper contains 17 sections, 38 theorems, 153 equations.

Key Result

Proposition 2.2

The map $\Delta : U_{q,t}(\widehat{\widehat{\mathfrak{gl}}}_1) \rightarrow U_{q,t}(\widehat{\widehat{\mathfrak{gl}}}_1) \otimes U_{q,t}(\widehat{\widehat{\mathfrak{gl}}}_1)$ defined by the formula below is an algebra homomorphism: where in the formulas above, $C_1 := C \otimes 1, C_2 := 1 \otimes C$. This map is called the coproduct of $U_{q,t}(\widehat{\widehat{\mathfrak{gl}}}_1)$.

Theorems & Definitions (95)

  • Definition 2.1
  • Proposition 2.2
  • Definition 2.3
  • Proposition 2.4
  • Definition 2.5
  • Definition 2.6
  • Proposition 2.7
  • Definition 2.8: HMNW
  • Proposition 2.9: CSw2024
  • Definition 3.1: Partition
  • ...and 85 more