Cluster Monomials in Graph Laurent Phenomenon Algebras

Fuente: arXiv
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Main Authors: Moura, Guilherme Zeus Dantas e, Kandalam, Ramanuja Charyulu Telekicherla, Woodruff, Dora
Format: Preprint
Published: 2024
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author Moura, Guilherme Zeus Dantas e
Kandalam, Ramanuja Charyulu Telekicherla
Woodruff, Dora
author_facet Moura, Guilherme Zeus Dantas e
Kandalam, Ramanuja Charyulu Telekicherla
Woodruff, Dora
contents Laurent phenomenon algebras, first introduced by Lam and Pylyavskyy, are a generalization of cluster algebras that still possess many salient features of cluster algebras. Graph Laurent phenomenon algebras, defined by Lam and Pylyavskyy, are a subclass of Laurent phenomenon algebras whose structure is given by the data of a directed graph. In this paper, we prove that the cluster monomials of a graph Laurent phenomenon algebra form a linear basis, as conjectured by Lam and Pylyavskyy and analogous to a result for cluster algebras by Caldero and Keller. We also prove that, if the graph is a bidirected tree, the coefficients of the expansion of any monomial in terms of cluster monomials are nonnegative.
format Preprint
id arxiv_https___arxiv_org_abs_2404_16153
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Cluster Monomials in Graph Laurent Phenomenon Algebras
Moura, Guilherme Zeus Dantas e
Kandalam, Ramanuja Charyulu Telekicherla
Woodruff, Dora
Representation Theory
Combinatorics
Rings and Algebras
13F60
Laurent phenomenon algebras, first introduced by Lam and Pylyavskyy, are a generalization of cluster algebras that still possess many salient features of cluster algebras. Graph Laurent phenomenon algebras, defined by Lam and Pylyavskyy, are a subclass of Laurent phenomenon algebras whose structure is given by the data of a directed graph. In this paper, we prove that the cluster monomials of a graph Laurent phenomenon algebra form a linear basis, as conjectured by Lam and Pylyavskyy and analogous to a result for cluster algebras by Caldero and Keller. We also prove that, if the graph is a bidirected tree, the coefficients of the expansion of any monomial in terms of cluster monomials are nonnegative.
title Cluster Monomials in Graph Laurent Phenomenon Algebras
topic Representation Theory
Combinatorics
Rings and Algebras
13F60
url https://arxiv.org/abs/2404.16153