Multiplication of ring cosets
102316
why $(r+I)(s+I) = rs + I$ in the quotient ring $R ?$
157236
Tensor product of modules.
84751
How can it be possible to localize a ring at a set with zero divisors?
107900
A ring which has many distinct left inverses
25609
Multiplicity of G-module
19112
Ring $R= \mathbb Z_3[x]/\langle x^6-1\rangle$
81068
Finding the left and right cosets of H = {(1), (12), (34), (12) ○ (34)} in S4
4353
Unit group of power series ring
102938
$\Bbb F_2[X]$ modules with 8 elements
18361
Does the unit generate the additive group in a unital ring with cyclic additive group?
380
Bijection from modular multiplication?
38028
finitely generated k-algebra and polynomial ring
45523
Can the product of two non invertible elements in a ring be invertible?
28313
Intermediate ring between a field and an algebraic extension.
107821
The ring of integers of $\mathbf{Q}[i]$
1425
The Chinese Remainder Theorem for Rings.
154613
Showing a set of fractions is a ring