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New posts in Principal Ideal Domains
Proving a subring of $\Bbb Z[\zeta_{11}]$ is PID
May 07, 2021
Gaussian Integers form an Euclidean Ring
May 05, 2021
All $\mathbb{Z}$-submodules of $\mathbb{Z}\oplus\mathbb{Z}$ are free.
May 02, 2021
Is every PID a UFD?
May 02, 2021
Is $\mathbf{Z}[X]/(2,X^2+1)$ a field/PID?
Apr 29, 2021
Krull dimension of polynomial rings over noetherian rings
Apr 28, 2021
One-dimensional [Noetherian] UFD is a PID
Apr 28, 2021
In a principal ideal domain, prove that every non trivial prime ideal is a maximal ideal. What could be wrong in this approach?
Apr 26, 2021
Ring of integers is a PID but not a Euclidean domain
Apr 26, 2021
Prove that $n^2+n+41$ is prime for $n<40$
Apr 26, 2021
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