Question

Criterion for subfield of $ \mathbb{C} $ to be dense

score 51 · Answer 1 · 2026-04-09 13:44:00

51

Views

Criterion for subfield of $ \mathbb{C} $ to be dense

Published on 09 Apr 2026 - 13:44

score 63 · Answer 2 · 2026-05-02 07:48:48

63

Views

Wedderburn's little theorem

Published on 02 May 2026 - 7:48

score 270 · Answer 3 · 2026-04-14 03:28:34

270

Views

Number of extensions of a local field of fixed degree

Published on 14 Apr 2026 - 3:28

score 73 · Answer 4 · 2026-04-15 13:20:42

73

Views

Why does the popular algorithm for for expressing the field extension F(a) as a vector space actually produce the correct answer?

Published on 15 Apr 2026 - 13:20

score 48 · Answer 5 · 2026-04-17 11:03:09

48

Views

Let $f(x,y)=x+y$ and $g(x,y)=xy$, prove that the closure of $\mathbb{Q} \cup\{\sqrt{2}\}$ under $\{f, g\}$ is $\mathbb{Q}(\sqrt{2})$

Published on 17 Apr 2026 - 11:03

score 123 · Answer 6 · 2026-04-15 21:49:45

123

Views

Example of categorial epimorphism of rings from a commutative ring to a noncommutative division ring

Published on 15 Apr 2026 - 21:49

score 21 · Answer 7 · 2026-04-13 21:27:49

21

Views

Interesting examples of classes of ordered fields between ordered fields and real closed fields

Published on 13 Apr 2026 - 21:27

score 34 · Answer 8 · 2026-04-12 14:41:13

34

Views

Completion of global field = extension of completed sub-field?

Published on 12 Apr 2026 - 14:41

score 129 · Answer 9 · 2026-04-10 05:54:12

129

Views

Is a field with archimedean absolute value with compact unit sphere complete?

Published on 10 Apr 2026 - 5:54

score 79 · Answer 10 · 2026-04-11 09:34:05

79

Views

Showing degree of global extension is sum of degree of local extensions

Published on 11 Apr 2026 - 9:34

score 40 · Answer 11 · 2026-04-14 00:33:19

40

Views

Uniqueness of prime field of a commutative ring with characteristic.

Published on 14 Apr 2026 - 0:33

score 163 · Answer 12 · 2026-04-14 13:22:15

163

Views

Structure of multiplicative subgroup of a finite field

Published on 14 Apr 2026 - 13:22

score 88 · Answer 13 · 2026-04-15 19:47:05

88

Views

A radical extension $K/E$ (with $E/F$ Galois and $K/F$ finite) guarantees existence of $L/K$ such that $L/F$ Galois and $L/E$ radical.

Published on 15 Apr 2026 - 19:47

score 63 · Answer 14 · 2026-04-09 17:10:22

63

Views

Separable field extension with bounded simple extensions

Published on 09 Apr 2026 - 17:10

score 107 · Answer 15 · 2026-04-09 12:16:04

107

Views

Problem about the Galois group elements in Sage

Published on 09 Apr 2026 - 12:16

List Question

Criterion for subfield of $ \mathbb{C} $ to be dense

Wedderburn's little theorem

Number of extensions of a local field of fixed degree

Why does the popular algorithm for for expressing the field extension F(a) as a vector space actually produce the correct answer?

Let $f(x,y)=x+y$ and $g(x,y)=xy$, prove that the closure of $\mathbb{Q} \cup\{\sqrt{2}\}$ under $\{f, g\}$ is $\mathbb{Q}(\sqrt{2})$

Example of categorial epimorphism of rings from a commutative ring to a noncommutative division ring

Interesting examples of classes of ordered fields between ordered fields and real closed fields

Completion of global field = extension of completed sub-field?

Is a field with archimedean absolute value with compact unit sphere complete?

Showing degree of global extension is sum of degree of local extensions

Uniqueness of prime field of a commutative ring with characteristic.

Structure of multiplicative subgroup of a finite field

A radical extension $K/E$ (with $E/F$ Galois and $K/F$ finite) guarantees existence of $L/K$ such that $L/F$ Galois and $L/E$ radical.

Separable field extension with bounded simple extensions

Problem about the Galois group elements in Sage

Trending Questions

Popular # Hahtags

Popular Questions