New posts in Ring Theory

Do there exist finite commutative rings with identity that are not Bézout rings?

$a,b \in \mathbb Z$ we have that $a+ b\phi \in \mathbb Z[\phi]^* \iff a^2 +ab-b^2 = \pm 1$

Zero divisors of $\mathbb{Z}_{7}[x] / (x^4+x^3-3)$ and inverse element of $\overline{x+1}$

Find all prime ideals in $\mathbb{Z}/n\mathbb{Z}$ where $n>1$

Prime ideals in $\mathbb{Z}[X], \mathbb{Q}[X], \mathbb{F}_{19}[X]$.

Question about proving $\mathbb{Z}[i]$ is not UFD

The number of polynomial functions $f:A\to A$ is $|A|^2$ if and only if $x^2=x$ for all $x\in A$.

Derivative of Rational Function from Lang's Algebra

Why is commutativity optional in multiplication for rings?

An Example of a Torsion Module