
arXiv: 1202.4816
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.
20 pages, v2: two typos on p. 13 fixed, v3: references to the related work by Felikson, Shapiro, Thomas and Tumarkin updated and extended. Final version, to appear in J. Pure Appl. Algebra
13F60, 16E35, Cluster algebras, FOS: Mathematics, Derived categories and associative algebras, Representations of quivers and partially ordered sets, Representation Theory (math.RT), Mathematics - Representation Theory, Derived categories, triangulated categories
13F60, 16E35, Cluster algebras, FOS: Mathematics, Derived categories and associative algebras, Representations of quivers and partially ordered sets, Representation Theory (math.RT), Mathematics - Representation Theory, Derived categories, triangulated categories
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