invertible elements of polynomial ring
35222
Characterizing units in polynomial rings
104789
How to tell an ideal of integer polynomial ring is principal?
85633
Rings of polynomials whose (partial) derivatives vanish are Noetherian?
119052
Finding invertible elements in $\mathbb{Z}/m\mathbb{Z}$
37182
If an element has a unique right inverse, is it invertible?
17059
A ring element with a left inverse but no right inverse?
46795
Explicit construction of a finite field with $p^n$ elements
126331
Associative ring with identity, inverses, divisors of zero and Artinianity
15904
Prime ideal and nilpotent elements
60212
algebraic element over a field
83115
A set of elements in a reduced unity ring
120535
Basis of the polynomial vector space
89864
Units in finite polynomial rings
60391
Ideal Generated by Three Elements in Polynomial Ring
14873
$1+a$ and $1-a$ in a ring are invertible if $a$ is nilpotent
128213
What's the projective limit of these polynomial rings ?
55018
Prove that $A^*A + I$ is invertible