Galois cohomology

GPTKB entity

Statements (36)
Predicate Object
gptkbp:instanceOf gptkb:logic
gptkbp:appliesTo algebraic groups
algebraic varieties
field extensions
gptkbp:developedBy mid 20th century
gptkbp:field gptkb:algebraic_geometry
algebraic number theory
gptkbp:hasApplication study of quadratic forms
arithmetic of abelian varieties
classification of central simple algebras
gptkbp:hasInvariant cohomology group H^n(G, M)
https://www.w3.org/2000/01/rdf-schema#label Galois cohomology
gptkbp:notableIdea gptkb:Brauer_group
gptkb:Kummer_theory
gptkb:Tate_cohomology
gptkb:Shafarevich–Tate_group
gptkb:Hilbert's_Theorem_90
gptkbp:notablePerson gptkb:Emil_Artin
gptkb:Jean-Pierre_Serre
gptkb:John_Tate
gptkbp:relatedTo gptkb:étale_cohomology
class field theory
group cohomology
gptkbp:studies cohomology of Galois groups
gptkbp:usedFor obstruction theory
descent theory
classification of torsors
local-global principles
gptkbp:uses continuous cochains
profinite groups
Galois modules
gptkbp:bfsParent gptkb:Milnor_K-theory
gptkb:Tate_cohomology
gptkb:Tate_duality_theorem
gptkb:Milnor_conjecture
gptkbp:bfsLayer 5