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New posts in abstract-algebra
Category theory, a branch of abstract algebra?
abstract-algebra
category-theory
Constructive proof of the existence of an algebraic closure
abstract-algebra
field-theory
axiom-of-choice
A group of order $p^2q^2$ is never simple
abstract-algebra
group-theory
finite-groups
A formula for the radical of $\mathbb{Z}/n\mathbb{Z}$.
abstract-algebra
ring-theory
commutative-algebra
$R$ module homomorphisms between two modules
abstract-algebra
modules
Is the center of a ring an ideal?
abstract-algebra
ring-theory
noncommutative-algebra
Inverting $a+b\sqrt{2}$ in the field $\Bbb Q(\sqrt{2})$
abstract-algebra
ring-theory
Group abelianization
abstract-algebra
group-theory
intuition
What is the intuition behind defining this isomorphism?
abstract-algebra
ring-theory
field-theory
finite-fields
extension-field
Order of general linear group of $2 \times 2$ matrices over $\mathbb{Z}_3$
linear-algebra
abstract-algebra
group-theory
Writing a GCD of two numbers as a linear combination
abstract-algebra
algorithms
divisibility
A book for abstract algebra with high school level
abstract-algebra
reference-request
soft-question
self-learning
book-recommendation
Proof of Wilson's Theorem using concept of group.
abstract-algebra
group-theory
elementary-number-theory
congruences
What is the exact definition of "induced homomorphism"?
abstract-algebra
algebraic-topology
terminology
definition
Proof that $x^4+1$ is irreducible over $\mathbb{Q}$
abstract-algebra
polynomials
irreducible-polynomials
Prove the irreducibility of $P(x)$ which satisfies: $xP(x-1)=(x-2022)P(x)+2022$
abstract-algebra
polynomials
irreducible-polynomials
How to show that if $G$ is union of three proper subgroups, then there is an epimorphism from $G$ to the Klein 4-group?
abstract-algebra
group-theory
Connections between number theory and abstract algebra.
abstract-algebra
number-theory
elementary-number-theory
soft-question
math-history
Brauer group of a field of rational numbers
abstract-algebra
group-theory
field-theory
division-algebras
Origin of the modern definition of the tensor product
linear-algebra
abstract-algebra
commutative-algebra
math-history
tensor-products
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