Let 𝕜 be an algebraically closed field. Recently, K. Erdmann classified the symmetric 𝕜-algebras Λ of finite representation type such that every non-projective module M has period dividing four. The goal of this paper is to determine the indecomposable modules M over these class of algebras Λ whose stable endomorphism ring is isomorphic to 𝕜, and then calculate their corresponding universal deformation rings (in the sense of F. M. Bleher and the third author).
Caranguay-Mainguez et al. (Fri,) studied this question.
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