DOI QR코드

DOI QR Code

(𝒱, 𝒲, 𝑦, 𝒳)-GORENSTEIN COMPLEXES

  • Yanjie Li (College of Mathematics and Statistics Northwest Normal University) ;
  • Renyu Zhao (College of Mathematics and Statistics Northwest Normal University, Gansu Provincial Research Center for Basic Disciplines of Mathematics and Statistics)
  • 투고 : 2023.08.31
  • 심사 : 2023.12.29
  • 발행 : 2024.05.01

초록

Let 𝒱, 𝒲, 𝑦, 𝒳 be four classes of left R-modules. The notion of (𝒱, 𝒲, 𝑦, 𝒳)-Gorenstein R-complexes is introduced, and it is shown that under certain mild technical assumptions on 𝒱, 𝒲, 𝑦, 𝒳, an R-complex 𝑴 is (𝒱, 𝒲, 𝑦, 𝒳)-Gorenstein if and only if the module in each degree of 𝑴 is (𝒱, 𝒲, 𝑦, 𝒳)-Gorenstein and the total Hom complexs HomR(𝒀, 𝑴), HomR(𝑴, 𝑿) are exact for any ${\mathbf{Y}}\,{\in}\,{\tilde{\mathcal{Y}}}$ and any ${\mathbf{X}}\,{\in}\,{\tilde{\mathcal{X}}}$. Many known results are recovered, and some new cases are also naturally generated.

키워드

과제정보

The authors are grateful to the referee for the careful checking of this article and some helpful comments.

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