On tame weakly symmetric algebras having only periodic modules
- Cite this article as:
- Białkowski, J. & Skowroński, A. Arch. Math. (2003) 81: 142. doi:10.1007/s00013-003-0816-y
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We classify (up to Morita equivalence) all tame weakly symmetric finite dimensional algebras over an algebraically closed field having simply connected Galois coverings, nonsingular Cartan matrices and the stable Auslander-Reiten quivers consisting only of tubes. In particular, we prove that these algebras have at most four simple modules.