New posts in Ring Theory

Ideal of height $>1$ containing no non-zero prime ideals.

"Drawing a Picture" of $\operatorname{Spec}(\mathbb{Z})$

Is every injective ring homomorphism an automorphism?

Every ring homomorphism to the integers is surjective?

Which "known" ring is $K = \frac{\mathbb{Z}_5[X,Y]}{(Y-X^2, XY + Y + 2)}$ isomorphic to?

Multiplying a ring(or an ideal) by an element.

How can a ring of polynomials with coefficients in a field $k$, and in infinitely many variables be a subring of $k[x,y]$?

Example of a Ring that has nothing to do with numbers

Why Jacobson radical is 'radical'?

Does the categorical notion of a coequalizer coincide with the usual quotient objects considered in algebra?