Answering two OPAC problems involving Banff quivers
Algebraic Combinatorics, Volume 7 (2024) no. 3, pp. 853-860.

In a post on the Open Problems in Algebraic Combinatorics (OPAC) blog, E. Bucher and J. Machacek posed three open problems: OPAC-033, OPAC-034, and OPAC-035. These three problems deal with the relationships between three infinite classes of quivers: the Banff, Louise, and 𝒫 quivers. OPAC-034 asks whether or not every Banff quiver can be verified to be Banff by only considering sources and sinks, and OPAC-035 asks whether or not every Banff quiver is contained in the class 𝒫. We answer both questions in the affirmative, showing that every Banff quiver can be verified to be Banff by using sources and sinks, and therefore that every Banff quiver lives in the class 𝒫. We also make some progress on OPAC-033, showing a result similar to our result OPAC-034 for Louise quivers.

Received:
Revised:
Accepted:
Published online:
DOI: 10.5802/alco.352
Classification: 13F60, 05E40
Keywords: Cluster algebras, Banff, Louise, triangular extension, quiver, mutation

Ervin, Tucker J. 1; Jackson, Blake 2

1 University of Alabama Dept. of Mathematics Tuscaloosa AL 35487 (USA)
2 University of Connecticut Dept. of Mathematics Storrs CT 06269 (USA)
License: CC-BY 4.0
Copyrights: The authors retain unrestricted copyrights and publishing rights
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Ervin, Tucker J.; Jackson, Blake. Answering two OPAC problems involving Banff quivers. Algebraic Combinatorics, Volume 7 (2024) no. 3, pp. 853-860. doi : 10.5802/alco.352. https://alco.centre-mersenne.org/articles/10.5802/alco.352/

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