Question

What does the notation -S mean if S is a set?

score 98 · Answer 1 · 2026-04-04 09:19:28

98

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What does the notation -S mean if S is a set?

Published on 04 Apr 2026 - 9:19

score 2.4k · Answer 2 · 2026-04-02 02:36:39

2.4k

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How to find the fixed field for Galois group?

Published on 02 Apr 2026 - 2:36

score 421 · Answer 3 · 2026-03-29 14:03:12

421

Views

Prove that the number of $\alpha\in\mathbb{F}_{27}$ such that $|A_\alpha|=26 $ equals 12.

Published on 29 Mar 2026 - 14:03

score 191 · Answer 4 · 2026-04-02 02:29:17

191

Views

How to find the fixed element for Galois group?

Published on 02 Apr 2026 - 2:29

score 72 · Answer 5 · 2026-03-29 14:06:41

72

Views

Is the finite field $Z_p$ an ordered one? Or can a finite field be ordered?

Published on 29 Mar 2026 - 14:06

score 44 · Answer 6 · 2026-04-01 04:42:51

44

Views

Showing $\mathbb{Q}(\sqrt{p},\sqrt[3]{q})=\mathbb{Q}(\sqrt{p}\sqrt[3]{q})$.

Published on 01 Apr 2026 - 4:42

score 55 · Answer 7 · 2019-07-26 12:17:10

55

Views

Find me a field with these properties.

Published on 26 Jul 2019 - 12:17

score 516 · Answer 8 · 2026-03-26 04:30:21

516

Views

Extending Galois and Cyclotomic Fields

Published on 26 Mar 2026 - 4:30

score 75 · Answer 9 · 2026-04-06 23:22:22

75

Views

Can I think of a field as a distributive category?

Published on 06 Apr 2026 - 23:22

score 382 · Answer 10 · 2019-07-27 16:32:18

382

Views

Why is $K:=\{x+\sqrt{2}y : x,y\in \mathbb{Q}\}$ a field?

Published on 27 Jul 2019 - 16:32

score 379 · Answer 11 · 2019-07-27 16:42:33

379

Views

Question about homomorphic image of maximal ideals

Published on 27 Jul 2019 - 16:42

score 72 · Answer 12 · 2026-04-01 04:39:19

72

Views

Questions on the formulation of this proof showing an extension is simple if and only if there are finitely many intermediate fields.

Published on 01 Apr 2026 - 4:39

score 150 · Answer 13 · 2026-03-28 04:36:19

150

Views

Is there a difference between the Galois group of $K/F$ and the Galois group of $E/K$ where $K$ is an intermediate field?

Published on 28 Mar 2026 - 4:36

score 87 · Answer 14 · 2026-04-04 09:21:32

87

Views

Which field does $\overline{\mathbb{C}(t)}$ refer to?

Published on 04 Apr 2026 - 9:21

score 75 · Answer 15 · 2019-07-30 07:18:04

75

Views

Cubic root of an element in a field?

Published on 30 Jul 2019 - 7:18

List Question

What does the notation -S mean if S is a set?

How to find the fixed field for Galois group?

Prove that the number of $\alpha\in\mathbb{F}_{27}$ such that $|A_\alpha|=26 $ equals 12.

How to find the fixed element for Galois group?

Is the finite field $Z_p$ an ordered one? Or can a finite field be ordered?

Showing $\mathbb{Q}(\sqrt{p},\sqrt[3]{q})=\mathbb{Q}(\sqrt{p}\sqrt[3]{q})$.

Find me a field with these properties.

Extending Galois and Cyclotomic Fields

Can I think of a field as a distributive category?

Why is $K:=\{x+\sqrt{2}y : x,y\in \mathbb{Q}\}$ a field?

Question about homomorphic image of maximal ideals

Questions on the formulation of this proof showing an extension is simple if and only if there are finitely many intermediate fields.

Is there a difference between the Galois group of $K/F$ and the Galois group of $E/K$ where $K$ is an intermediate field?

Which field does $\overline{\mathbb{C}(t)}$ refer to?

Cubic root of an element in a field?

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