Prove that $u-i$ generates a maximal ideal of $A.$
43889
Prove that $u-i$ is a maximal ideal of $\frac {\Bbb C[X,Y]} {\left (X^2+Y^2-1 \right )}.$
133706
If R is a local ring, then its maximal left-ideal is a left and right ideal
28244
Is the ideal $I = \{f\mid f (0) = 0\}$ in the ring $C [0, 1]$ of all continuous real valued functions on $[0, 1]$ a maximal ideal?
146801
Primary decomposition of an ideal
155745
Ideals of $\mathbb{Z}[X]$
60674
Finitely generated idempotent ideals are principal: proof without using Nakayama's lemma
113136
Generators of the ideal correspond to $d$-uple embedding
73417
$Rad(I)$ is an ideal of $R$
46040
Preimage of maximal ideal is maximal (why is this answer wrong?)
118306
$I:=\{f(x)\in R\mid f(1)=0\}$ is a maximal ideal?
45962
Show that any prime ideal from such a ring is maximal.
138572
Is $(xy-1)$ a maximal ideal in $\mathbb C[x,y]$?
43774
Given distinct maximal ideals $M_1,...,M_n$, is $M_1\cdots M_n$ radical?
16727
Intersection of finitely generated ideals
124151
Finite ring extension and number of maximal ideals
18406
An ideal whose radical is maximal is primary
133975
Localising a polynomial ring and non-maximal prime ideal