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QF-3 rings and categories of projective modules. (English) Zbl 0281.16009


MSC:

16L60 Quasi-Frobenius rings
16E10 Homological dimension in associative algebras
18E15 Grothendieck categories (MSC2010)
16D40 Free, projective, and flat modules and ideals in associative algebras
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References:

[1] Anderson, F. W.; Fuller, K. R., Modules with decompositions that complement direct summands, J. Algebra, 22, 241-253 (1972) · Zbl 0242.16025
[2] M. Auslander; M. Auslander
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[11] C. M. Ringel and H. TachikawaQFJ. Reine Angew. Math.; C. M. Ringel and H. TachikawaQFJ. Reine Angew. Math. · Zbl 0318.16006
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