Browsing by Author "Skowroński, Andrzej"

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    Weighted Surface Algebras: General Version
    (Oberwolfach : Mathematisches Forschungsinstitut Oberwolfach, 2019) Erdmann, Karin; Skowroński, Andrzej
    We introduce general weighted surface algebras of triangulated surfaces with arbitrarily oriented triangles and describe their basic properties. In particular, we prove that all these algebras, except the singular disc, triangle, tetrahedral and spherical algebras, are symmetric tame periodic algebras of period 4.