New posts in Modules

Injective resolutions of a complex

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

How to show fraction field is flat (without localization)

Abelian groups and $\mathbb{Z}$-modules

Trouble understanding Eisenbud Exercise 2.19a

Is the $k$-algebra $k[G]$ semisimple?

Exact sequence with flat module tensored by module stays exact

Example of a ring without Invariant Basis Property

How to show $\mathbf{Q} $ is not free

Is Orzech's generalization of the surjective-endomorphism-is-injective theorem correct?