Newbetuts
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New posts in field-theory
Counting centralizers of a matrix over a finite field with a particular minimal polynomial
abstract-algebra
matrices
group-theory
field-theory
Do groups, rings and fields have practical applications in CS? If so, what are some?
group-theory
ring-theory
soft-question
field-theory
big-picture
Why is a finite integral domain always field?
abstract-algebra
ring-theory
field-theory
integral-domain
finite-rings
Continuity of the roots of a polynomial in terms of its coefficients
analysis
polynomials
field-theory
roots
Proof that an integral domain that is a finite-dimensional $F$-vector space is in fact a field
field-theory
Is $\mathbb{Q}(\sqrt{2}) \cong \mathbb{Q}(\sqrt{3})$?
abstract-algebra
field-theory
How to solve fifth-degree equations by elliptic functions?
polynomials
field-theory
galois-theory
elliptic-functions
How to find the Galois group of a polynomial?
abstract-algebra
field-theory
galois-theory
Wild automorphisms of the complex numbers
complex-numbers
field-theory
How to prove that the sum and product of two algebraic numbers is algebraic? [duplicate]
abstract-algebra
field-theory
Irreducible cyclotomic polynomial
field-theory
galois-theory
finite-fields
Is $\mathbf{Q}(\sqrt{2}, \sqrt{3}) = \mathbf{Q}(\sqrt{2}+\sqrt{3})$?
abstract-algebra
field-theory
Example of infinite field of characteristic $p\neq 0$
abstract-algebra
field-theory
examples-counterexamples
Polynomials irreducible over $\mathbb{Q}$ but reducible over $\mathbb{F}_p$ for every prime $p$
abstract-algebra
polynomials
field-theory
galois-theory
finite-fields
Is an automorphism of the field of real numbers the identity map?
abstract-algebra
field-theory
real-numbers
Irreducible polynomial which is reducible modulo every prime
abstract-algebra
polynomials
field-theory
finite-fields
irreducible-polynomials
How do I prove that $x^p-x+a$ is irreducible in a field with $p$ elements when $a\neq 0$?
positive-characteristic
abstract-algebra
polynomials
field-theory
irreducible-polynomials
Is there a quick proof as to why the vector space of $\mathbb{R}$ over $\mathbb{Q}$ is infinite-dimensional?
linear-algebra
vector-spaces
field-theory
Proving that $\left(\mathbb Q[\sqrt p_1,\dots,\sqrt p_n]:\mathbb Q\right)=2^n$ for distinct primes $p_i$.
abstract-algebra
field-theory
extension-field
The square roots of different primes are linearly independent over the field of rationals
abstract-algebra
number-theory
prime-numbers
field-theory
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