Multidimensional multiplicative Poisson vertex algebras

Fuente: arXiv
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Autores principales: Yang, Pengfei, Casati, Matteo
Formato: Preprint
Publicado: 2025
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author Yang, Pengfei
Casati, Matteo
author_facet Yang, Pengfei
Casati, Matteo
contents In this paper we introduce the notion of multidimensional multiplicative Poisson vertex algebra, the generalization of the notion of multiplicative Poisson vertex algebra to a difference algebra endowed with D commuting shifts. After showing the equivalence of this notion to the notion of Hamiltonian difference operator on a D-dimensional lattice, we characterize scalar local Hamiltonian difference operators up to the order (-2,2) and investigate the bi-Hamiltonian pairs they form.
format Preprint
id arxiv_https___arxiv_org_abs_2512_06704
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Multidimensional multiplicative Poisson vertex algebras
Yang, Pengfei
Casati, Matteo
Exactly Solvable and Integrable Systems
In this paper we introduce the notion of multidimensional multiplicative Poisson vertex algebra, the generalization of the notion of multiplicative Poisson vertex algebra to a difference algebra endowed with D commuting shifts. After showing the equivalence of this notion to the notion of Hamiltonian difference operator on a D-dimensional lattice, we characterize scalar local Hamiltonian difference operators up to the order (-2,2) and investigate the bi-Hamiltonian pairs they form.
title Multidimensional multiplicative Poisson vertex algebras
topic Exactly Solvable and Integrable Systems
url https://arxiv.org/abs/2512.06704