Displaying similar documents to “Epis and monos which must be isos.”

Annihilators

Rosenberg, Alex, Zelinsky, Daniel (1961)

Portugaliae mathematica

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Pseudoprojective modules

Ladislav Bican, Pavel Jambor, Tomáš Kepka, Petr Němec (1979)

Mathematica Slovaca

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Notes on purities

Ladislav Bican (1972)

Czechoslovak Mathematical Journal

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The general structure of inverse polynomial modules

Sangwon Park (2001)

Czechoslovak Mathematical Journal

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In this paper we compute injective, projective and flat dimensions of inverse polynomial modules as R [ x ] -modules. We also generalize Hom and Ext functors of inverse polynomial modules to any submonoid but we show Tor functor of inverse polynomial modules can be generalized only for a symmetric submonoid.

The existence of envelopes

Edgar E. Enochs, Overtoun M. G. Jenda, Jinzhong Xu (1993)

Rendiconti del Seminario Matematico della Università di Padova

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