Contravariantly finite subcategories and irreducible maps

Authors:
Jon F. Carlson and Dieter Happel

Journal:
Proc. Amer. Math. Soc. **117** (1993), 61-65

MSC:
Primary 16D10; Secondary 16D90, 16G60, 20C20

DOI:
https://doi.org/10.1090/S0002-9939-1993-1107270-1

MathSciNet review:
1107270

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Abstract: Let be an Artin algebra. This paper presents a condition that is necessary for a subcategory of to be contravariantly finite. Several examples are explored in the case that is the group algebra of a finite group over a field of finite characteristic.

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DOI:
https://doi.org/10.1090/S0002-9939-1993-1107270-1

Article copyright:
© Copyright 1993
American Mathematical Society