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math.RT2023
Tame symmetric algebras of period four
Karin Erdmann, Adam Hajduk, Adam Skowyrski
In this paper we are concerned with the structure of tame symmetric algebras of period four (TSP4 algebras, for short). We will mostly focus on the case when the Gabriel quiver of…
math.RT2023
A note on representation-finite symmetric algebras
Karin Erdmann
We give a characterisation of representation-finite symmetric algebras of period four, and describe their basic algebras. In particular, if such an algebra is indecomposable, it ha…