Axioms (Apr 2025)

Filtered Products of Copies of Injective Modules

  • Driss Bennis,
  • Juan Ramón García Rozas,
  • Maroua Mbarki,
  • Luis Oyonarte

DOI
https://doi.org/10.3390/axioms14040303
Journal volume & issue
Vol. 14, no. 4
p. 303

Abstract

Read online

We study the transfer of injectivity to filtered products of copies of an injective module. This leads to the introduction of a generalized Noetherian condition, the so-called (ℵ,M)-Noetherian rings. We prove that M is F-injective for every filter F with cpl(F)≥ℵ if and only if R is (ℵ,M)-Noetherian. We also examine the behavior of filtered products of τ-injective torsion-free modules, establishing preservation results under suitable conditions.

Keywords