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New posts in field-theory
Finitely generated field extensions
abstract-algebra
field-theory
Prove $\mathbb{Q}(\sqrt{2},\sqrt{3},\sqrt{5}):\mathbb{Q}$ is a simple extension
abstract-algebra
field-theory
extension-field
Algebraic extension of perfect field in which every polynomial has a root is algebraically closed
field-theory
extension-field
Separable field extensions *without* using embeddings or automorphisms
abstract-algebra
reference-request
field-theory
extension-field
find total number of maximal ideals in $\mathbb{Q}[x]/\langle x^4-1\rangle$.
abstract-algebra
proof-verification
ring-theory
field-theory
Field extension of composite degree has a non-trivial sub-extension
field-theory
galois-theory
Unramified extension is normal if it has normal residue class extension
field-theory
p-adic-number-theory
A formula for the roots of a solvable polynomial
abstract-algebra
field-theory
galois-theory
What is the algebraic closure of $\mathbb F_q$?
abstract-algebra
field-theory
finite-fields
Splitting field of $x^6+x^3+1$ over $\mathbb{Q}$
abstract-algebra
field-theory
Why aren't there any coproducts in the category of $\bf{Fields}$?
field-theory
category-theory
If $\alpha$ is an algebraic element and $L$ a field, does the polynomial ring $L[\alpha]$ is also a field?
polynomials
field-theory
extension-field
Applications of additive version of Hilbert's theorem 90
number-theory
field-theory
algebraic-number-theory
galois-theory
galois-cohomology
Showing $[\mathbb{Q}(\sqrt[4]{2},\sqrt{3}):\mathbb{Q}]=8$.
field-theory
extension-field
The Noether-Deuring Theorem
field-theory
representation-theory
modules
Set of elements of degree $2^n$ over a base field is itself a field
abstract-algebra
field-theory
extension-field
Is the sum of an algebraic and transcendental complex number transcendental?
abstract-algebra
field-theory
galois-theory
transcendental-numbers
Irreducibility of cyclotomic polynomials over number fields
abstract-algebra
field-theory
algebraic-number-theory
irreducible-polynomials
cyclotomic-polynomials
What is the condition for a field to make the degree of its algebraic closure over it infinite?
abstract-algebra
field-theory
galois-theory
Find all irreducible polynomials of degrees 1,2 and 4 over $\mathbb{F_2}$.
abstract-algebra
ring-theory
field-theory
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