Algebra: Unital Rings
14515
Algebra struggles: 2 problems in 1
142612
Matrix Ring of a Semisimple Ring
87946
Proving that the unities of a ring form a group under multiplication
111104
Ring theory notation question
35777
$\mathbb{R}[X,Y]/(Y-X^2,Y+X)\cong_\text{Ring} \mathbb{R}\times \mathbb{R}$
71822
Commutator algebra in exponents
109688
Zero-dimensional ideals and finite-dimensional algebras
102072
Simple $M_n(D)$-module with $D$ a division ring
126295
What is an $R$-algebra?
16023
Are associates unit multiples in a commutative ring with $1$?
16945
Finding the Ideals of a Direct Product of Rings
60925
Why these are isomorphic each other for given these rings?
108601
Show structure of a commutative ring in a tensor product
133878
Ring of order $p^2$ is commutative.
126331
Associative ring with identity, inverses, divisors of zero and Artinianity
85961
Is the ring and semi-ring definition of algebra and set linked?
88307
Commutative property of ring addition