Algebras and Representation Theory

, Volume 14, Issue 1, pp 75–77

Appendix to Cluster-Cyclic Quivers with Three Vertices and the Markov Equation, by A. Beineke, Th. Brűstle and L. Hille


    • Mathematisches InstitutHeinrich-Heine-Universität Düsseldorf

DOI: 10.1007/s10468-009-9176-z

Cite this article as:
Kerner, O. Algebr Represent Theor (2011) 14: 75. doi:10.1007/s10468-009-9176-z


The relation between the Markov constant of an acyclic cluster algebra of rank 3 and the dimension of the first Hochschild cohomology group of the corresponding hereditary algebra will be shown.


Cluster algebras Clustertilted algebras Hochschild cohomology Markov constant

Mathematics Subject Classifications (2000)

16G20 16E40

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© Springer Science+Business Media B.V. 2009