Quasi-d-Koszul Modules and Applications |
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Authors: | Jiafeng Lv and Zhibing ZHAO |
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Institution: | 1. Department of Mathematics,Zhejiang Normal University,Jinhua 321004,Zhejiang,China 2. School of Mathematical Sciences,Anhui University,Hefei 230039,China |
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Abstract: | Let R be a Noetherian semiperfect algebra. A necessary and sufficient condition for a finitely generated R-module to be quasi-d-Koszul is given, which improves one of the main results in 1]. The authors also give a necessary and sufficient condition
for the Minimal Horseshoe Lemma holding in mod(R). As an application, it is proved that the “Minimal Horseshoe Lemma” is true in the category of quasi-d-Koszul modules under certain conditions. |
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Keywords: | Quasi-d-Koszul algebras Quasi-d-Koszul modules Minimal Horseshoe Lemma |
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