Representations as elements in affine composition algebras
作者： Pu Zhang
DOI: 10.1090/S0002-9947-00-02613-1
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摘要: Let A be the path algebra of a Euclidean quiver over finite field k. The aim this paper is to classify modules M with property [M ] ∈ C(A), where C(A) Ringel’s composition algebra. Namely, main result says that if |k| 6= 2, 3, then and only regular direct summand sum from non-homogeneous tubes quasi-dimension vectors non-sincere. methods are representation theory affine quivers, structure triangular decompositions tame algebras, invariant subspaces skew derivations. As an application, we see = H(A) Dynkin type.
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