New posts in maximal-and-prime-ideals

Prime elements in a noncommutative ring

Image of Jacobson Radical is the Jacobson Radical

Prime ideals of a localization

Every non zero commutative ring with identity has a minimal prime.

Showing that the fiber of a morphism of schemes over a point is homeomorphic to the preimage

Proving $\pi$ is irreducible/prime in $R.$

A counterexample to the going down theorem

$M_a =\{ f\in C[0,1] |\ f(a)=0 \}$ for $a$ $\in$ $[0,1]$. Is $M_a$ finitely generated in $C[0,1]$?

Maximal Ideals in Ring of Continuous Functions

Can a non-local ring have only two prime ideals?

How to factor in cubic extensions?

$M$ maximal iff $\bar{M}$ is maximal

$I:=\{f(x)\in R\mid f(1)=0\}$ is a maximal ideal?

Is $(XY - 1)$ a maximal ideal in $k[[X]][Y]$?

Number of prime ideals of a ring

$P$ is a prime ideal of $R$ iff $R/P$ is an integral domain. : $P≠R$

The support of a module is closed?

Show that $P[x]+\langle x\rangle $ is a prime ideal of $R[x]$.

Prime ideals of the matrix ring

Prove $R/M$ is a division ring for a non-commutative ring $R$ with max ideal $M$