Positivity of denominator vectors of skew-symmetric cluster algebras

In this paper, we prove that positivity of denominator vectors holds for any skew-symmetric cluster algebra.

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Bibliographic Details
Published inJournal of algebra Vol. 515; pp. 448 - 455
Main Authors Cao, Peigen, Li, Fang
Format Journal Article
LanguageEnglish
Published Elsevier Inc 01.12.2018
Subjects
Denominator vector
Positivity
Skew-symmetric cluster algebra
Skew-symmetric cluster algebra
05E40
13F60
Denominator vector
Positivity
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Summary:In this paper, we prove that positivity of denominator vectors holds for any skew-symmetric cluster algebra.
ISSN:0021-8693
1090-266X
DOI:10.1016/j.jalgebra.2018.09.004