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Original Articles

Precovering and Preenveloping Ideals

Pages 2568-2584 | Received 12 Apr 2013, Published online: 17 Apr 2015

REFERENCES

  • Eklof , P. C. , Trlifaj , J. ( 2001 ). How to make Ext vanish . Bull. London Math. Soc. 33 : 31 – 41 .
  • Enochs , E. ( 1981 ). Injective and flat covers, envelopes and resolvents . Israel J. Math. 39 : 189 – 209 .
  • Enochs , E. , Jenda , O. M. ( 2000 ). Relative homological algebra. De Gruyter Exp. in Math. 30, Walter de Gruyter .
  • Fu X. H. , Guil Asensio , P. A. , Herzog , I. , Torrecillas , B. ( 2013 ). Ideal Approximation Theory . Adv. in Math. 244 : 750 – 790 .
  • Herzog , I. ( 2007 ). The phantom cover of a module . Adv. Math. 215 ( 1 ): 220 – 249 .
  • Herzog , I. ( 2014 ). Phantom morphisms and Salce's Lemma . Contemp. Math. 607 : 57 – 83 .
  • Rada , J. , Saorín , M. ( 1998 ). Rings characterized by (pre)envelopes and (pre)covers of their modules . Comm Algebra 26 ( 3 ): 899 – 912 .
  • Salce , L. ( 1979 ). Cotorsion theories for abelian groups . Symposia Mathematica 23 : 11 – 23 .
  • Stenström , B. ( 1970 ). Coherent rings and FP-injective modules . J. London Math. Soc 2 : 323 – 329 .
  • Xu , J. ( 1996 ). Flat Covers of Modules. Lecture Notes in Math., Vol. 1634. Springer .
  • Communicated by S. Bazzoni.

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