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Página principal > Artículos > Artículos publicados > Behavior of countably generated pure-projective modules |
Fecha: | 1992 |
Resumen: | We first prove that every countably presented module is a pure epimorphic image of a countably generated pure-projective module, and by using this we show that if every countably generated pure-projective module is pure-injective then every module is pure-injective, while if in any countably generated pure-projective module every countably generated pure-projective pure submodule is a direct summand then every module is pure-projective. |
Derechos: | Tots els drets reservats. |
Lengua: | Anglès |
Documento: | Article ; recerca ; Versió publicada |
Publicado en: | Publicacions matemàtiques, Vol. 36, Núm. 2 (1992) , p. 401-406, ISSN 2014-4350 |
6 p, 168.7 KB |