Jacobson radical of upper triangular matrix rings
11375
Jacobson radical of a certain ring of matrices
88841
annihilator linear algebra
118781
product of ideals in matrix ring
8417
Natural $(R/I)$-module structure for an $R$-module $M$ annihilated by $I$
43774
Given distinct maximal ideals $M_1,...,M_n$, is $M_1\cdots M_n$ radical?
30465
Determining which rings have a module which is not semisimple
146714
Rees algebra of a monomial ideal
130004
Jacobson radical equal to nilradical in $R[X]$
65464
What are the left and right ideals of matrix ring? How about the two sided ideals?
38817
Why is the ring of matrices over a field simple?
58532
If $M$ is an Artinian $R$-module then $R/\mbox{ann}(M)$ is an Artinian ring?
150206
Every finitely generated algebra over a field is a Jacobson ring
114343
If $I$ and $J$ are ideals in a ring $R$ with $1$ such that $I+J = R$, show that $I^m$ and $J^n$ are co-maximal for all $m,n \in \mathbb{N}$
133286
Conjugates of radicals
10908
Associated elements in a ring
130720
Special linear algebra over finite field with characteristic 3
20479
Radical of a Lie algebra bracket itself