New posts in modules

Show that $R/I\otimes_R R/J\cong R/(I+J)$

Finitely generated modules in exact sequence

how to prove an element is non-zero in a tensor-product

Example of a non-splitting exact sequence $0 → M → M\oplus N → N → 0$

A problem about an $R$-module that is both injective and projective.

Let R be a ring and f: M→N is an R-homomorphism. [closed]

Tensor product and exact sequences

Atiyah-Macdonald problem 3.8

Are all simple left modules over a simple left artinian ring isomorphic?

$\operatorname{Ann}(M\otimes_A N)=\operatorname{Ann}M+\operatorname{Ann}N$?

How can I know/list available options for kernel modules?

How to add kernel module parameters?

Is $R/N(R)$ a faithfully flat $R$-module?

Why isn't $\mathbb{C}[x,y,z]/(xz-y)$ a flat $\mathbb{C}[x,y]$-module

Applications of the Isomorphism theorems

Showing that if $R$ is a commutative ring and $M$ an $R$-module, then $M \otimes_R (R/\mathfrak m) \cong M / \mathfrak m M$.

"no symbol version for module_layout" when trying to load usbhid.ko

Why an R-module is an R/I-module precisely when it is annihilated by I?

Direct summand of a free module

Given a commutative ring $R$ and an epimorphism of free modules $R^m \to R^n$ is then $m \geq n$?