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New posts in ring-theory
What are applications of rings & groups?
abstract-algebra
group-theory
ring-theory
applications
Show that a ring with disconnected spectrum is a product of two subrings. [duplicate]
commutative-algebra
ring-theory
Any left ideal of $M_n(\mathbb{F})$ is principal
linear-algebra
abstract-algebra
ring-theory
ideals
Motivation of Localization
algebraic-geometry
ring-theory
commutative-algebra
Ideal as a projective module
abstract-algebra
reference-request
commutative-algebra
ring-theory
modules
Are there any examples of rings $R$ such that $\mathrm{End}(R,+,0)\not\cong R$?
abstract-algebra
ring-theory
Is this quotient ring finite?
abstract-algebra
ring-theory
the ring of dual numbers over a field $k$
abstract-algebra
ring-theory
rngs
Are there any elegant methods to classify of the Gaussian primes?
ring-theory
prime-numbers
complex-numbers
To identify field $Z[i]/(3)$ [duplicate]
abstract-algebra
ring-theory
A few questions on the Gaussian integers
abstract-algebra
number-theory
ring-theory
algebraic-number-theory
gaussian-integers
Exercise from Atiyah-Macdonald, Chapter 1, 2.iv)
polynomials
commutative-algebra
ring-theory
Polynomial ring with integral coefficients is integral
abstract-algebra
ring-theory
commutative-algebra
How do the prime ideals of $\mathbb{Z}_{k}$ look like?
abstract-algebra
ring-theory
maximal-and-prime-ideals
localization
Do people study "ring presentations"? Is this a dumb question?
reference-request
ring-theory
For a finite commutative ring, any quotient ring is isomorphic to some subring?
abstract-algebra
ring-theory
commutative-algebra
$R/Rg$ is a field iff $g\in R$ is irreducible.
abstract-algebra
ring-theory
principal-ideal-domains
$\mathbb Z[\sqrt{-7}]$ and $\,\Bbb Z[\sqrt{1+4k}]$ are not UFDs
abstract-algebra
ring-theory
Recognizing a fiber product of schemes
abstract-algebra
geometry
algebraic-geometry
ring-theory
commutative-algebra
Is it the case that every quotient ring ${F[x]}/{(p(x))}$ is a PID?
abstract-algebra
ring-theory
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