Question regarding a graded ring
114267
If $S$ is a finitely generated graded algebra over $S_0$, $S_{(f)}$ is finitely generated algebra over $S_0$?
129258
Why do the Localization of a Ring
73689
A question about the equivalence relation on the localization of a ring.
105887
Ring and Subring with different Identities
50908
Showing a Ring and an Ideal are equal
19473
Why is quadratic integer ring defined in that way?
141100
Nontrivial subring with unity different from the whole ring?
66451
In a ring, how do we prove that a * 0 = 0?
83483
Is there a nice way to classify the ideals of the ring of lower triangular matrices?
135781
Division ring if and only if it has no proper left ideals.
133495
Example of a ring without Invariant Basis Property
72507
Does $ab=1$ imply $ba=1$ in a ring?
118911
Classifying Unital Commutative Rings of Order $p^2$
97751
Center of a group ring?
116916
What's the rationale for requiring that a field be a $\boldsymbol{non}$-$\boldsymbol{trivial}$ ring?
7303
How many idempotent elements does the ring ${\bf Z}_n$ contain?
39576
Quotient ring being isomorphic to the initial ring