Why is the nontrivial left ideal of $M_ 2(D)$ minimal?
45575
why each left ideal of this is minimal?
49875
Question on Comaximal Ideals
18406
An ideal whose radical is maximal is primary
43889
Prove that $u-i$ is a maximal ideal of $\frac {\Bbb C[X,Y]} {\left (X^2+Y^2-1 \right )}.$
87780
Is the ideal $(2,X+1)\subset\Bbb{Z}[X]$ prime, maximal or neither?
102072
Simple $M_n(D)$-module with $D$ a division ring
144572
Proof that ideals in $C[0,1]$ are of the form $M_c$ that should not involve Zorn's Lemma
43774
Given distinct maximal ideals $M_1,...,M_n$, is $M_1\cdots M_n$ radical?
79328
Proposition 5.15 from Atiyah and Macdonald: Integral Closure and Minimal Polynomial
6307
maximal ideal not containing some expression
1720
Show that $\langle 2,x \rangle$ is not a principal ideal in $\mathbb Z [x]$
114193
On the absolute norm of an ideal
16602
Proving $M_n(I)\lhd M_n(R)$ and proofs about ideal rings.
113582
How can I find an element $x\not\in\mathfrak mM_{\mathfrak m}$ for every maximal ideal $\mathfrak m$
112045
A property of minimal prime ideal
117786
Show that some monomial ideal is primary
11109
The ideal generated by a non-compact operator