Galois cohomology groups

GPTKB entity

Statements (50)
Predicate Object
gptkbp:instanceOf gptkb:mathematical_concept
gptkbp:appliesTo algebraic groups
abelian varieties
algebraic tori
gptkbp:definedIn gptkb:Weyl_group
Galois module
gptkbp:field gptkb:algebraic_geometry
algebraic number theory
gptkbp:firstCohomology classifies torsors
gptkbp:generalizes group cohomology
https://www.w3.org/2000/01/rdf-schema#label Galois cohomology groups
gptkbp:introduced gptkb:Emil_Artin
gptkb:John_Tate
gptkbp:notation H^n(G, M)
gptkbp:relatedTo gptkb:Galois_theory
group cohomology
gptkbp:secondCohomology classifies central simple algebras
relatedTo Brauer group
gptkbp:usedFor class field theory
describing obstructions in algebraic structures
studying field extensions
gptkbp:usedIn gptkb:Selmer_groups
gptkb:Hasse_principle
gptkb:Kummer_theory
gptkb:Weil_group
gptkb:Tate–Shafarevich_group
gptkb:Tate_cohomology
gptkb:étale_cohomology
gptkb:Galois_descent
classification of quadratic forms
motivic cohomology
obstruction theory
descent theory
classification of torsors
local-global principles
arithmetic duality theorems
classification of Brauer groups
classification of Galois extensions
classification of algebraic K-theory
classification of algebraic cycles
classification of algebraic groups
classification of algebraic structures
classification of division algebras
classification of field automorphisms
classification of field invariants
classification of motives
classification of principal homogeneous spaces
classification of rational points
gptkbp:bfsParent gptkb:Bloch-Kato_conjecture
gptkbp:bfsLayer 7