Ideals in $\mathbb{Z}[X]$ with three generators (and not with two)
70856
Construct ideals in $\mathbb Z[x]$ with a given least number of generators
69352
Prove that $I= \{a+bi \in ℤ[i] : a≡b \pmod{2}\}$ is an maximal ideal of $ℤ[i]$.
1720
Show that $\langle 2,x \rangle$ is not a principal ideal in $\mathbb Z [x]$
146801
Primary decomposition of an ideal
95031
Find generators of the ideal of an algebraic set
96787
Why is the arbitrary sum, but not the arbitrary intersection, of ideals an ideal?
121986
Do the Laurent polynomials over $\mathbb{Z}$ form a principal ideal domain?
89056
Intuitive understanding of ideal $I = (x+1,x^2+1)$ and the quotient $\Bbb Z[x]/I$
135699
Questions about a commutative ring with exactly three ideals
137450
Two-sided ideal generated by subset of not commutative ring
1719
Ideals in the ring of Gaussian integers
116430
If $I = \langle 2\rangle$, why is $I[x]$ not a maximal ideal of $\mathbb Z[x]$, even though $I$ is a maximal ideal of $\mathbb Z$?
87078
Prove the following set is an ideal of the ring $Z[x]$
20097
Cardinality of the quotient ring $\mathbb{Z}[x]/(x^2-3,2x+4)$
146714
Rees algebra of a monomial ideal
49854
Ideals in polynomial rings generated by linear polynomials
19230
Prime/Maximal Ideals in $\mathbb{Z}[\sqrt d]$