List questions from field-theory

Published on 14 Apr 2026 - 4:24

129

Views

A vector space over an infinite field cannot be the union of proper subspaces: Wrong argument?

Published on 12 Apr 2026 - 18:37

59

Views

How to Prove It, Velleman 4.2.15

Published on 14 Apr 2026 - 12:48

57

Views

Fixed field of C(t) subfield

Published on 11 Apr 2026 - 0:32

64

Views

What is this notation for a sum?

Published on 13 Apr 2026 - 18:30

237

Views

Is $\sqrt 3 + \sqrt 2$ a surd?

Published on 12 Apr 2026 - 3:23

94

Views

Find Intermediate Fields for $\Bbb Q[\zeta_{31}]/\Bbb Q$.

Published on 25 Mar 2026 - 17:51

46

Views

Interpolation of permutation polynomials

Published on 14 Apr 2026 - 17:19

77

Views

Intermediate Extensions of $\Bbb Q[\zeta_{63}]/\Bbb Q$.

Published on 25 Mar 2026 - 19:04

114

Views

Algebraically closed field

Published on 15 Apr 2026 - 4:10

51

Views

Existence of an algebraic closure by Zorn's lemma

Published on 16 Apr 2026 - 9:46

63

Views

Extending and compositing injective field endomorphisms

Published on 10 Apr 2026 - 5:08

51

Views

automorphism between transcendental elements

Published on 14 Apr 2026 - 21:28

174

Views

Prove that $\mathbb Q(\cos\tfrac\pi7)\neq\mathbb Q(\cos\tfrac\pi9)$

Published on 25 Mar 2026 - 16:14

35

Views

$k(R(x),R(x+1)) = k(x)$ for a non-constant rational function $R(x)$

Published on 16 Apr 2026 - 9:17

List Question

Subfield Theorem Proof

A vector space over an infinite field cannot be the union of proper subspaces: Wrong argument?

How to Prove It, Velleman 4.2.15

Fixed field of C(t) subfield

What is this notation for a sum?

Is $\sqrt 3 + \sqrt 2$ a surd?

Find Intermediate Fields for $\Bbb Q[\zeta_{31}]/\Bbb Q$.

Interpolation of permutation polynomials

Intermediate Extensions of $\Bbb Q[\zeta_{63}]/\Bbb Q$.

Algebraically closed field

Existence of an algebraic closure by Zorn's lemma

Extending and compositing injective field endomorphisms

automorphism between transcendental elements

Prove that $\mathbb Q(\cos\tfrac\pi7)\neq\mathbb Q(\cos\tfrac\pi9)$

$k(R(x),R(x+1)) = k(x)$ for a non-constant rational function $R(x)$

Trending Questions

Popular # Hahtags

Popular Questions