Deformed preprojective algebras of generalized Dynkin type
- We introduce the class of deformed preprojective algebras of generalized Dynkin graphs An (n ≥ 1), Dn (n ≥ 4), E6, E7, E8 and Ln (n ≥ 1) and prove that it coincides with the class of all basic connected finite-dimensional self-injective algebras for which the inverse Nakayama shift ν-1S of every non-projective simple module S is isomorphic to its third syzygy Ω3S. © 2007 American Mathematical Society.
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