List questions from projective-module

40

Views

$\mathrm{Hom}_A(P(1),S(1))$, $\mathrm{Hom}_A(S(1),S(1))$ and $\mathrm{Hom}_A(S(1),I(1))$ as vector spaces

Published on 17 Apr 2026 - 10:06

56

Views

Let A be a submodule of a projective R-module B, show that A is projective if B/A is projective

Published on 15 Apr 2026 - 18:18

78

Views

Trouble understanding this paragraph on projective modules

Published on 14 Apr 2026 - 14:36

56

Views

If $a^{3}=a$ for some non-zero element $a$ in $R$, then the ideal $Ra$ is projective $R$-module

Published on 15 Apr 2026 - 3:55

71

Views

Are module finite algebras over Noetherian semiperfect rings again semiperfect?

Published on 11 Apr 2026 - 21:36

83

Views

Prove that $\mathbb{C}$ is not a projective $\mathbb{Z}$-module

Published on 14 Apr 2026 - 9:00

89

Views

Finitely presented modules and homomorphism modules

Published on 16 Apr 2026 - 11:07

51

Views

Projective ideals of $\frac{\mathbb{Z}}{180\mathbb{Z}}$

Published on 08 Apr 2026 - 16:21

66

Views

Free summand of a module vs. finite direct sum of copies of it

Published on 14 Apr 2026 - 6:49

105

Views

Projective and free modules

Published on 13 Apr 2026 - 17:13

72

Views

Projective covers

Published on 14 Apr 2026 - 14:28

104

Views

Determinant of one stably free projective module

Published on 15 Apr 2026 - 22:57

67

Views

$As + At = A$ $\implies$ $as^k+bt^k=1$

Published on 14 Apr 2026 - 3:49

70

Views

Is fiber product of $M_s$ , $M_t$ over $M_{st}$ isomorphic to $M$?

Published on 16 Apr 2026 - 11:05

40

Views

Generation of a projective module by fiber product

Published on 12 Apr 2026 - 5:00

List Question

$\mathrm{Hom}_A(P(1),S(1))$, $\mathrm{Hom}_A(S(1),S(1))$ and $\mathrm{Hom}_A(S(1),I(1))$ as vector spaces

Let A be a submodule of a projective R-module B, show that A is projective if B/A is projective

Trouble understanding this paragraph on projective modules

If $a^{3}=a$ for some non-zero element $a$ in $R$, then the ideal $Ra$ is projective $R$-module

Are module finite algebras over Noetherian semiperfect rings again semiperfect?

Prove that $\mathbb{C}$ is not a projective $\mathbb{Z}$-module

Finitely presented modules and homomorphism modules

Projective ideals of $\frac{\mathbb{Z}}{180\mathbb{Z}}$

Free summand of a module vs. finite direct sum of copies of it

Projective and free modules

Projective covers

Determinant of one stably free projective module

$As + At = A$ $\implies$ $as^k+bt^k=1$

Is fiber product of $M_s$ , $M_t$ over $M_{st}$ isomorphic to $M$?

Generation of a projective module by fiber product

Trending Questions

Popular # Hahtags

Popular Questions