ON n-COPRESENTED MODULES AND n-CO-COHERENT RINGS

In this paper, we introduce and study dual notions of both npresented modules and n-coherent rings, which we call respectively n-copresented modules and n-co-coherent rings.

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  • Department of Mathematics Laboratory of Analysis, Algebra and Decision Support Faculty of Science, BP 1014,
  • Mohammed V-Agdal University, Rabat, Morocco e-mail: d.bennis@fsr.ac.ma; driss bennis@hotmail.com Habib Bouzraa Department of Mathematics Faculty of Science University Mouly Ismail Meknes, Morocco e-mail: hbouzraa@yahoo.fr Abdul-Qawe Kaed Department of Mathematics Faculty of Science University Mouly Ismail Meknes, Morocco e-mail: dabouan@yahoo.com