I-Sequences in the Category of Modules

I-Sequences in the Category of Modules

The notion of I-sequences (introduced by Green) in the category of modules over finite-dimensional algebras is developed in this paper and particularly used to give an alternative proof for the results of Knörr concerning the existence and properties of relative projective covers in the category of...

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Veröffentlicht in:Journal of algebra 2002-04, Vol.250 (2), p.450-472
1. Verfasser: Khammash, Ahmed A.
Format: Artikel
Sprache:eng
Schlagworte:
almost split sequences
I-sequences
relative projective covers
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Beschreibung
Zusammenfassung:The notion of I-sequences (introduced by Green) in the category of modules over finite-dimensional algebras is developed in this paper and particularly used to give an alternative proof for the results of Knörr concerning the existence and properties of relative projective covers in the category of modules over group algebras.
ISSN:0021-8693
1090-266X
DOI:10.1006/jabr.2001.9111