class field theory
C55903
concept
Class field theory is a branch of algebraic number theory that describes abelian extensions of number fields (or local fields) in terms of the arithmetic of the fields themselves, particularly their ideals and ideles.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| concept in field theory | 1 |
Instances (2)
| Instance | Via concept surface |
|---|---|
| local class field theory | — |
| Galois correspondence | concept in field theory |