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Positivity for cluster algebras

Abstract

We prove the positivity conjecture for all skew-symmetric cluster algebras.

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arXiv:1306.2415

math.CO math.RT

Published June 11, 2013

Authors

KLKyungyong Lee
RSRalf Schiffler

Comment: 36 pages. V2: 'geometric type' assumption removed, some minor changes. V3: final version, to appear in Ann. Math. arXiv admin note: text overlap with arXiv:1205.5466

Updated: October 11, 2014

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