The Exchange Property in Grothendieck Categories: Applications

Leonard Dăuş, C. Năstăsescu, M. Salim

Research output: Contribution to journalArticlepeer-review

Abstract

We introduce the concept of an object with the (finite) exchange property in an arbitrary Grothendieck category, and we present the basic properties of such an object. Applications are given for categories of graded modules and for categories of comodules over a coalgebra. Among other results, it is proved that an arbitrary coalgebra 𝒞 over a field has the finite exchange property.

Original languageEnglish
Pages (from-to)1433-1442
Number of pages10
JournalCommunications in Algebra
Volume44
Issue number4
DOIs
Publication statusPublished - Apr 2 2016

Keywords

  • Coalgebra
  • Exchange property
  • Graded module
  • Grothendieck category
  • Suitable ring

ASJC Scopus subject areas

  • Algebra and Number Theory

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