units of polynomial rings
35222
Characterizing units in polynomial rings
99715
Proper ideal and units proof
5802
Proving the universal mapping property for polynomial rings
83115
A set of elements in a reduced unity ring
157585
Structure theorem of finite rings
115920
Showing $R$ is a local ring if and only if all elements of $R$ that are not units form an ideal
133878
Ring of order $p^2$ is commutative.
1425
The Chinese Remainder Theorem for Rings.
27766
Comaximal ideals in a commutative ring
75120
Polynomial arithmetic uses coefficient ring arithmetic
20613
Units (invertibles) of polynomial rings over a field
89313
Maximal ideals of polynomial rings in infinitely many variables
49854
Ideals in polynomial rings generated by linear polynomials
158311
What is the dimension of $R[[X]]$ where $R$ is a Noetherian ring?
79650
Division Rings and Division Algebras
587
Ideal Generated by the Union of Two Ideals
73344
Definition of irreducible polynomial via the units of an integral domain.