A Combinatorial Formula for Certain Elements of Upper Cluster Algebras
| dc.contributor.author | Lee, K. | |
| dc.contributor.author | Li, L. | |
| dc.contributor.author | Mills, M.R. | |
| dc.date.accessioned | 2019-02-13T16:57:08Z | |
| dc.date.available | 2019-02-13T16:57:08Z | |
| dc.date.issued | 2015 | |
| dc.description.abstract | We develop an elementary formula for certain non-trivial elements of upper cluster algebras. These elements have positive coefficients. We show that when the cluster algebra is acyclic these elements form a basis. Using this formula, we show that each non-acyclic skew-symmetric cluster algebra of rank 3 is properly contained in its upper cluster algebra. | uk_UA |
| dc.description.sponsorship | This paper is a contribution to the Special Issue on New Directions in Lie Theory. The full collection is available at http://www.emis.de/journals/SIGMA/LieTheory2014.html. The authors are grateful to the anonymous referees for carefully reading through the manuscript and giving us many constructive suggestions to improve the presentation. KL is supported by Wayne State University, Korea Institute for Advanced Study, AMS Centennial Fellowship and NSA grant H98230-14-1-0323. MM is supported by GAANN Fellowship. | uk_UA |
| dc.identifier.citation | A Combinatorial Formula for Certain Elements of Upper Cluster Algebras / K. Lee, L. Li, M.R. Mills // Symmetry, Integrability and Geometry: Methods and Applications. — 2015. — Т. 11. — Бібліогр.: 16 назв. — англ. | uk_UA |
| dc.identifier.issn | 1815-0659 | |
| dc.identifier.other | 2010 Mathematics Subject Classification: 13F60 | |
| dc.identifier.other | DOI:10.3842/SIGMA.2015.049 | |
| dc.identifier.uri | https://nasplib.isofts.kiev.ua/handle/123456789/147117 | |
| dc.language.iso | en | uk_UA |
| dc.publisher | Інститут математики НАН України | uk_UA |
| dc.relation.ispartof | Symmetry, Integrability and Geometry: Methods and Applications | |
| dc.status | published earlier | uk_UA |
| dc.title | A Combinatorial Formula for Certain Elements of Upper Cluster Algebras | uk_UA |
| dc.type | Article | uk_UA |
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