What is the ideal $\sum_{i \in I} \mathfrak{a}_i$?
140523
Infinite sum of ideals
151797
Which element belong to the principal ideal $(3+i)$?
17239
Find all ideals of ${\mathbb{Z}_n}$
158232
Tensor product of a module with an ideal is isomorphic to their standard product
146801
Primary decomposition of an ideal
23392
The annihilator of a module is an ideal
138882
A prime poset of ideals
49875
Question on Comaximal Ideals
63171
Translate of an ideal by $a$ coincides with the ideal iff  $a \in I$
75204
Irrationality $\sqrt{2}$ with ideal
112043
Show that the ideal $ (2, 1 + \sqrt{-7} ) $ in $ \mathbb{Z} [\sqrt{-7} ] $ is not principal
118306
$I:=\{f(x)\in R\mid f(1)=0\}$ is a maximal ideal?
99715
Proper ideal and units proof
111307
If ideal $I$ of domain $R$ is free $R$-module, then $I$ is principal ideal.
117533
$|A-\lambda I|$ and $|\lambda I-A|$
1719
Ideals in the ring of Gaussian integers
138572
Is $(xy-1)$ a maximal ideal in $\mathbb C[x,y]$?