Ideal and its number of generators
124467
Can $(X_1,X_2) \cap (X_3,X_4)$ be generated with two elements from $k[X_1,X_2,X_3,X_4]$?
111189
Intersection of all maximal ideals containing a given ideal
136654
$(x_1-a_1, x_2-a_2)$ is a maximal ideal of $K[x_1,x_2]$
7303
How many idempotent elements does the ring ${\bf Z}_n$ contain?
20877
The set of all nilpotent elements is an ideal
116883
About ideals in a ring which is a $k$ vector space
135699
Questions about a commutative ring with exactly three ideals
23392
The annihilator of a module is an ideal
4790
Generators of a finitely generated free module over a commutative ring
50908
Showing a Ring and an Ideal are equal
120181
The ideal generated by $2$ and $ x$ in $\mathbb{Z}[x]$
124646
Understanding the ideal $IJ$ in $R$
57221
counting the number of elements in a conjugacy class of $S_n$
83115
A set of elements in a reduced unity ring
121255
Ideals of the ring of rational numbers with odd denominators
144250
subideals of an ideal
149136
On the height of an ideal