Subring of Gaussian integers has no greatest common divisor property
48480
Find two elements that don't have a gcd in a subring of Gaussian integers
147585
Tensor Product of the fraction field of the Gaussian Integers
116526
Finite ring has only zero divisors and units
55026
$\mathbb{Q}[X,Y]/(Y^2-X^3)$ is not a UFD
150170
Subrings of fraction fields
129821
Prove that the Gaussian rationals is the field of fractions of the Gaussian integers
146980
Zero divisors of $\mathbb{Z}×\mathbb{Z}×\mathbb{Z}$
1141
Existence of totally ordered ring with zero divisors
16722
Proving Gaussian Integers are countable
1720
Show that $\langle 2,x \rangle$ is not a principal ideal in $\mathbb Z [x]$
52081
Why is not the ring $\mathbb{Z}[2\sqrt{2}]$ a unique factorization domain?
11710
How to show that $\mathbb{Q}$ is not $G_\delta$
17926
Zero divisor in $R[x]$
119360
Find all subrings of $\mathbb{Z}^2$
120940
An irreducible polynomial in a subfield of $\mathbb{C}$ has no multiple roots in $\mathbb{C}$
110726
Example of a non-gcd domain
125604
Proof that $\mathbb{Z}$ has no zero divisors