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- W2964157087 abstract "For a fixed finite dimensional algebra A, we study representation embeddings of the form (mod(B)rightarrow mod(A)). Such an embedding is called homological, if it induces an isomorphism on all Ext-groups and weakly homological, if only Ext(^1) is preserved. In case A is a preprojective algebra of Dynkin type, we give an explicit classification of all weakly homological and homological embeddings. Furthermore, we show that for self-injective algebras a classification of homological embeddings becomes accessible once these algebras fulfil the Tachikawa conjecture." @default.
- W2964157087 created "2019-07-30" @default.
- W2964157087 creator A5007521626 @default.
- W2964157087 date "2016-09-27" @default.
- W2964157087 modified "2023-09-23" @default.
- W2964157087 title "Homological embeddings for preprojective algebras" @default.
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- W2964157087 doi "https://doi.org/10.1007/s00209-016-1739-1" @default.
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