Ramification Group

(Algebraic Number Theory)

Tech

sciences
Algebraic Number Theory
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What is Ramification group?

In number theory, more specifically in local class field theory, the ramification groups are a filtration of the Galois group of a local field extension, which gives detailed information on the ramification phenomena of the extension.

Technology Types

algebraic number theory

Synonyms

Herbrand's theorem on ramification groupsHigher ramification groupLower numberingUpper numbering

Tech Info


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