New posts in Ring Theory

Ramified primes, as defined by Neukirch

Sub Rings of the Real Field $\mathbb{R}$

Approaches for the study of rings

Existence of homomorphism $\phi:\mathbb{Z}[[X]]\to\mathbb{Q}$ such that $\phi(X)=3/4$?

Non-unital ring of rational numbers with even numerator and odd denominator has no maximal ideals

Does the cancellation property for a group mean something different than the cancellation property for an integral domain?

Show $\mathbb Z[x]/(x^2-cx) \ncong \mathbb Z \times \mathbb Z$.

Is $\frac{1}{\alpha} \in \mathbb{Q}[\alpha]$ for irrational $\alpha$?

Units of $\mathbb{Z}[\sqrt {-2}]$, and are $3,5$ irreducible in $\mathbb{Z}[\sqrt {-2}]$?

Zerodimensional, compact space is homeomorphic to spectrum of some ring -- elementary attempt