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Homotopies of nullhomotopies in a module category I

✍ Scribed by Keith Hardie; Peter Hilton


Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
715 KB
Volume
68
Category
Article
ISSN
0022-4049

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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 KnΓΆrr concerning the existence and properties of relative projective covers in the category of