List questions from projective-module

Published on 27 May 2014 - 14:33

235

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Proving that P/PJ is a projective right module over R/J

Published on 28 May 2014 - 22:30

1k

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Every finitely generated module is the quotient of a finitely generated projective module.

Published on 29 May 2014 - 0:35

87

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Starting projective modules problems

Published on 29 May 2014 - 22:41

250

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Morita equivalence: Is $_{\mathrm{End}_R(P)}P$ projective if $P_R$ is?

Published on 03 Jun 2014 - 21:19

176

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When is the rank the biggest number for which $\Lambda^m(M) \neq 0$?

Published on 26 Mar 2026 - 1:28

2.1k

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Proving that tensoring a projective module with a flat module gives a projective module?

Published on 06 Jul 2014 - 20:17

1k

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Projective modules over $kG$ equivalent to injective.

Published on 25 Mar 2026 - 10:52

60

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an ideal of matrix ring which is projective

Published on 16 Jul 2014 - 7:01

117

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A condition of equivalence of flatness and projectiveness

Published on 23 Jul 2014 - 18:42

230

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Is the coefficient ring $R$ of a group ring $RG$ necessarily projective as an $RG$-module?

Published on 25 Mar 2026 - 9:31

188

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Projective Spaces which are not Vector Spaces

Published on 13 Aug 2014 - 20:09

103

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Algebraic K-theory: Categories of modules and their equivalences

Published on 08 Sep 2014 - 16:29

138

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Gorenstein ring and projective module

Published on 25 Mar 2026 - 9:30

108

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A question about projective modules.

Published on 17 Sep 2014 - 23:17

List Question

If a direct sum has a projective cover, must the summands have projective covers?

Proving that P/PJ is a projective right module over R/J

Every finitely generated module is the quotient of a finitely generated projective module.

Starting projective modules problems

Morita equivalence: Is $_{\mathrm{End}_R(P)}P$ projective if $P_R$ is?

When is the rank the biggest number for which $\Lambda^m(M) \neq 0$?

Proving that tensoring a projective module with a flat module gives a projective module?

Projective modules over $kG$ equivalent to injective.

an ideal of matrix ring which is projective

A condition of equivalence of flatness and projectiveness

Is the coefficient ring $R$ of a group ring $RG$ necessarily projective as an $RG$-module?

Projective Spaces which are not Vector Spaces

Algebraic K-theory: Categories of modules and their equivalences

Gorenstein ring and projective module

A question about projective modules.

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