Browsing Institutt for matematiske fag by Journals "Nagoya mathematical journal"

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    • Detecting Koszulness and related homological properties from the algebra structure of Koszul homology 

      Croll, Amanda; Dellaca, Roger; Gupta, Anjan; Hoffmeier, Justin; Rangel Tracy, Denise; Sega, Liana; Sosa, Gabriel; Thompson, Peder (Journal article; Peer reviewed, 2018)
      Let k be a field and R a standard graded k-algebra. We denote by HR the homology algebra of the Koszul complex on a minimal set of generators of the irrelevant ideal of R. We discuss the relationship between the multiplicative ...

    • τ-PERPENDICULAR WIDE SUBCATEGORIES 

      Buan, Aslak Bakke; Hanson, Eric J. (Journal article; Peer reviewed, 2023)
      Let Λ be a finite-dimensional algebra. A wide subcategory of modΛ is called left finite if the smallest torsion class containing it is functorially finite. In this article, we prove that the wide subcategories of modΛ ...