Question

Open subgroup of a valuation ring in Lemma 2.3 in Milne's Class Field Theory

score 79 · Answer 1 · 2026-03-27 02:37:42

79

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Open subgroup of a valuation ring in Lemma 2.3 in Milne's Class Field Theory

Published on 27 Mar 2026 - 2:37

score 108 · Answer 2 · 2026-03-27 09:48:13

108

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Simplification of links between idele class group and étale cohomology

Published on 27 Mar 2026 - 9:48

score 179 · Answer 3 · 2021-05-18 20:08:04

179

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Questions about the chapter "Abstract class field theory" in Neukirch's "Algebraic Number Theory"

Published on 18 May 2021 - 20:08

score 45 · Answer 4 · 2021-05-22 09:40:22

45

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Deducing class field theorotic phenomenon without Chebotarev density theorem.

Published on 22 May 2021 - 9:40

score 154 · Answer 5 · 2026-03-27 05:36:30

154

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Calculating Ray class Numbers in sagemath?

Published on 27 Mar 2026 - 5:36

score 87 · Answer 6 · 2026-03-26 12:33:13

87

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Ramification in cyclotomic extension

Published on 26 Mar 2026 - 12:33

score 73 · Answer 7 · 2026-03-25 13:54:51

73

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Proof of Global Kronecker-Weber, Global Case

Published on 25 Mar 2026 - 13:54

score 78 · Answer 8 · 2026-03-27 08:46:09

78

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Discriminant of non-degenerated Billinearform is square in Ideal Class Group

Published on 27 Mar 2026 - 8:46

score 135 · Answer 9 · 2021-06-24 15:04:03

135

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The classical statement of class field theory

Published on 24 Jun 2021 - 15:04

score 55 · Answer 10 · 2021-07-21 22:31:12

55

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An isomorphism between a quotient of the idèles of a number field and a quotient of the idèle class group

Published on 21 Jul 2021 - 22:31

score 180 · Answer 11 · 2021-07-30 11:59:52

180

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Overly complicated proof of the surjectivity of the Artin map

Published on 30 Jul 2021 - 11:59

score 376 · Answer 12 · 2021-08-03 19:19:03

376

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Maximal Unramified Extension $\mathbb{Q}_p^{nr}$ of $\mathbb{Q}_p$

Published on 03 Aug 2021 - 19:19

score 89 · Answer 13 · 2021-08-05 01:23:40

89

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Cohomological interpretation of Tate cohomology quotient in local class field theory

Published on 05 Aug 2021 - 1:23

score 49 · Answer 14 · 2026-03-27 15:59:37

49

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Existence of weil group and cohomology of class fields

Published on 27 Mar 2026 - 15:59

score 162 · Answer 15 · 2021-08-11 19:23:50

162

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Three basic questions about class field theory over $\mathbb{Q}$, splitting versus merely having a zero, and finite fields

Published on 11 Aug 2021 - 19:23

List Question

Open subgroup of a valuation ring in Lemma 2.3 in Milne's Class Field Theory

Simplification of links between idele class group and étale cohomology

Questions about the chapter "Abstract class field theory" in Neukirch's "Algebraic Number Theory"

Deducing class field theorotic phenomenon without Chebotarev density theorem.

Calculating Ray class Numbers in sagemath?

Ramification in cyclotomic extension

Proof of Global Kronecker-Weber, Global Case

Discriminant of non-degenerated Billinearform is square in Ideal Class Group

The classical statement of class field theory

An isomorphism between a quotient of the idèles of a number field and a quotient of the idèle class group

Overly complicated proof of the surjectivity of the Artin map

Maximal Unramified Extension $\mathbb{Q}_p^{nr}$ of $\mathbb{Q}_p$

Cohomological interpretation of Tate cohomology quotient in local class field theory

Existence of weil group and cohomology of class fields

Three basic questions about class field theory over $\mathbb{Q}$, splitting versus merely having a zero, and finite fields

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