List questions from ramification

Published on 09 May 2020 - 17:38

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Motivation for considering the upper numbering of ramification groups

Published on 12 May 2020 - 15:48

100

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Completion with respect to conjugate valuations

Published on 16 May 2020 - 9:22

195

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On a tamely ramified extension of $\mathbb{Q}_{p}$

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50

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If $E$ has additive reduction at $v$ then $H^0(I_v,E[p^\infty])$ is finite

Published on 25 Mar 2026 - 9:26

400

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Tamely ramified extensions.

Published on 02 Jun 2020 - 22:26

436

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Maximal tamely ramified abelian extension of $\mathbb{Q}_p$ is finite over the maximal unramified extension $\mathbb{Q}_p^{nr}$?

Published on 19 Jun 2020 - 17:17

126

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Contradicting arguments regarding the ramification index of the splitting field of $X^3 - 135X - 270$ over $\mathbb{Q}_5$

Published on 25 Mar 2026 - 6:15

77

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A question about the inertia index of prime ideals in $\mathbb{C}(t)$

Published on 25 Mar 2026 - 15:44

184

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Step in proof of Hasse-Arf theorem on ramification groups

Published on 24 Jul 2020 - 9:22

85

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Completion of abelian extension

Published on 11 Jul 2016 - 0:08

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What is the definition for totally ramified extension for a global field?

Published on 13 Jul 2016 - 5:02

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Directly showing that a prime is unramified iff the inertia group is trivial

Published on 30 Aug 2016 - 15:00

387

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Decomposition group Daniel A Marcus Theorem 28

Published on 28 Sep 2016 - 18:21

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Decomposition group and inertia group

Published on 02 Oct 2016 - 23:38

List Question

Etale Ring Homomorphism

Motivation for considering the upper numbering of ramification groups

Completion with respect to conjugate valuations

On a tamely ramified extension of $\mathbb{Q}_{p}$

If $E$ has additive reduction at $v$ then $H^0(I_v,E[p^\infty])$ is finite

Tamely ramified extensions.

Maximal tamely ramified abelian extension of $\mathbb{Q}_p$ is finite over the maximal unramified extension $\mathbb{Q}_p^{nr}$?

Contradicting arguments regarding the ramification index of the splitting field of $X^3 - 135X - 270$ over $\mathbb{Q}_5$

A question about the inertia index of prime ideals in $\mathbb{C}(t)$

Step in proof of Hasse-Arf theorem on ramification groups

Completion of abelian extension

What is the definition for totally ramified extension for a global field?

Directly showing that a prime is unramified iff the inertia group is trivial

Decomposition group Daniel A Marcus Theorem 28

Decomposition group and inertia group

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