Modules which are epi-equivalent to projective modules
Gary Birkenmeier (1983)
Acta Universitatis Carolinae. Mathematica et Physica
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Gary Birkenmeier (1983)
Acta Universitatis Carolinae. Mathematica et Physica
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Birkenmeier, Gary F. (1989)
International Journal of Mathematics and Mathematical Sciences
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D. Simson (1974)
Colloquium Mathematicae
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Driss Bennis (2010)
Colloquium Mathematicae
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We prove that finitely generated n-SG-projective modules are infinitely presented.
Gordon Mason (1976)
Compositio Mathematica
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Weimin Xue (1996)
Publicacions Matemàtiques
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We characterize semiperfect modules, semiperfect rings, and perfect rings using locally projective covers and generalized locally projective covers, where locally projective modules were introduced by Zimmermann-Huisgen and generalized locally projective covers are adapted from Azumaya’s generalized projective covers.
Fieldhouse, David J. (1985)
International Journal of Mathematics and Mathematical Sciences
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Ulrich Albrecht, Alberto Facchini (1996)
Rendiconti del Seminario Matematico della Università di Padova
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Yoichi Miyashita (1986)
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T. Nakayama (1964)
Acta Arithmetica
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