“…Note that the endomorphism ring of a cluster tilting object in C is in general not determined by its quiver. For example, this occurs for the tubular cluster category of weight type (2, 2, 2, 2), see [5,Expl. 6.12].…”
Among the mutation finite cluster algebras the tubular ones are a particularly interesting class. We show that all tubular (simply laced) cluster algebras are of exponential growth by two different methods: first by studying the automorphism group of the corresponding cluster category and second by giving explicit sequences of mutations.
“…Note that the endomorphism ring of a cluster tilting object in C is in general not determined by its quiver. For example, this occurs for the tubular cluster category of weight type (2, 2, 2, 2), see [5,Expl. 6.12].…”
Among the mutation finite cluster algebras the tubular ones are a particularly interesting class. We show that all tubular (simply laced) cluster algebras are of exponential growth by two different methods: first by studying the automorphism group of the corresponding cluster category and second by giving explicit sequences of mutations.
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