List questions from projective-module

Published on 11 May 2026 - 8:37

148

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Bézout ring with non-trivial Picard group?

Published on 11 May 2026 - 7:21

135

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Fill in the commutative diagram of exact sequences

Published on 13 Apr 2026 - 17:19

103

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Question regarding stably free module

Published on 11 May 2026 - 6:11

120

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On an equivalent definition of cohomological dimension

Published on 15 Apr 2026 - 9:05

100

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Prove that any free module with finite basis is projective

Published on 16 Apr 2026 - 10:50

321

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Are projective modules related to projective spaces?

Published on 13 Apr 2026 - 11:39

131

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How do the isomorphisms defining a Morita equivalence interact?

Published on 14 May 2026 - 11:11

79

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Double dual of a finitely generated Projective module over an artin algebra

Published on 11 May 2026 - 4:17

126

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Finite projective chain complex acyclic iff isomorphic to direct sum of shifts

Published on 11 Apr 2026 - 17:54

109

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Lifting idempotent endomorphisms of the quotient of a projective module

Published on 11 May 2026 - 7:22

480

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Chain maps between projective complexes are nullhomotopic

Published on 25 Mar 2026 - 16:39

132

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Def for $\dim_{\mathbb{Q}}(M)$?

Published on 16 Apr 2026 - 5:58

44

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Attempt to sketch a proof showing $M$ is not projective given $M$ is a $\mathbb{Q}[x]-module$ such that $dim_{\mathbb{Q}}(M) < \inf$

Published on 14 May 2026 - 16:19

193

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Can we extend homomorphisms between submodules of finitely generated projective modules?

Published on 09 Apr 2026 - 23:44

List Question

Equivalence in definition of quasi-Frobenius ring

Bézout ring with non-trivial Picard group?

Fill in the commutative diagram of exact sequences

Question regarding stably free module

On an equivalent definition of cohomological dimension

Prove that any free module with finite basis is projective

Are projective modules related to projective spaces?

How do the isomorphisms defining a Morita equivalence interact?

Double dual of a finitely generated Projective module over an artin algebra

Finite projective chain complex acyclic iff isomorphic to direct sum of shifts

Lifting idempotent endomorphisms of the quotient of a projective module

Chain maps between projective complexes are nullhomotopic

Def for $\dim_{\mathbb{Q}}(M)$?

Attempt to sketch a proof showing $M$ is not projective given $M$ is a $\mathbb{Q}[x]-module$ such that $dim_{\mathbb{Q}}(M) < \inf$

Can we extend homomorphisms between submodules of finitely generated projective modules?

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