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