Question

Explicit computation of projective dimension

score 107 · Answer 1 · 2026-05-10 16:08:14

107

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Explicit computation of projective dimension

Published on 10 May 2026 - 16:08

score 554 · Answer 2 · 2026-04-15 11:35:17

554

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Finitely generated projective module , of constant rank, over semi-local ring

Published on 15 Apr 2026 - 11:35

score 145 · Answer 3 · 2026-04-17 11:04:35

145

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Abelianess of the category of projective modules

Published on 17 Apr 2026 - 11:04

score 107 · Answer 4 · 2026-04-14 18:59:35

107

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Projective modules and nondegenerate pairings

Published on 14 Apr 2026 - 18:59

score 746 · Answer 5 · 2026-05-11 06:15:48

746

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Projective ideal in $\mathbb{Z}[\sqrt{-5}]$

Published on 11 May 2026 - 6:15

score 63 · Answer 6 · 2026-04-12 14:25:57

63

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Find the factor groups of the $\mathbb{Z}/252\mathbb{Z}$ which are projective $\mathbb{Z}/252\mathbb{Z}$-modules

Published on 12 Apr 2026 - 14:25

score 64 · Answer 7 · 2026-04-16 21:54:31

64

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$\operatorname{Hom}_A(A^*, P)\cong P$ such that $P$ is projective under the given assumption?

Published on 16 Apr 2026 - 21:54

score 114 · Answer 8 · 2026-04-16 13:30:46

114

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$R$ is a PID and $M=R/(d)$ an $R$-module. Show that $M$ is not projective.

Published on 16 Apr 2026 - 13:30

score 852 · Answer 9 · 2026-04-14 18:59:38

852

Views

Projective resolution of $k$ as $k[x]/(x^n)$-module?

Published on 14 Apr 2026 - 18:59

score 183 · Answer 10 · 2026-04-10 08:24:16

183

Views

$M=\mathbb{Z}/2018\mathbb{Z}$ is not a projective $\mathbb{Z}$-module

Published on 10 Apr 2026 - 8:24

score 119 · Answer 11 · 2026-03-26 05:55:55

119

Views

How do we prove intuitionistically that free modules of finite rank are projective?

Published on 26 Mar 2026 - 5:55

score 145 · Answer 12 · 2026-04-09 01:23:48

145

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Two definitions for regular rings

Published on 09 Apr 2026 - 1:23

score 57 · Answer 13 · 2026-04-13 23:25:35

57

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Finding the rank of the endomorphism algebra of a projective module over a non-commutative algebra

Published on 13 Apr 2026 - 23:25

score 95 · Answer 14 · 2026-04-14 11:53:08

95

Views

Projective Modules, Definition and Etymology

Published on 14 Apr 2026 - 11:53

score 60 · Answer 15 · 2026-05-11 08:41:07

60

Views

If (co)domain of map of chain complexes is in(pro)jective, then every quasi-isomorphism is a homotopy equivalence

Published on 11 May 2026 - 8:41

List Question

Explicit computation of projective dimension

Finitely generated projective module , of constant rank, over semi-local ring

Abelianess of the category of projective modules

Projective modules and nondegenerate pairings

Projective ideal in $\mathbb{Z}[\sqrt{-5}]$

Find the factor groups of the $\mathbb{Z}/252\mathbb{Z}$ which are projective $\mathbb{Z}/252\mathbb{Z}$-modules

$\operatorname{Hom}_A(A^*, P)\cong P$ such that $P$ is projective under the given assumption?

$R$ is a PID and $M=R/(d)$ an $R$-module. Show that $M$ is not projective.

Projective resolution of $k$ as $k[x]/(x^n)$-module?

$M=\mathbb{Z}/2018\mathbb{Z}$ is not a projective $\mathbb{Z}$-module

How do we prove intuitionistically that free modules of finite rank are projective?

Two definitions for regular rings

Finding the rank of the endomorphism algebra of a projective module over a non-commutative algebra

Projective Modules, Definition and Etymology

If (co)domain of map of chain complexes is in(pro)jective, then every quasi-isomorphism is a homotopy equivalence

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