Mathlib Map

Theorems · Definition · group theory

inhomogeneousCochains.d

{k G : Type u} →
  [inst : CommRing k] →
    [inst_1 : Monoid G] →
      (A : Rep.{u_1, u, u} k G) → (n : ℕ) → ModuleCat.of k ((Fin n → G) → ↑A) ⟶ ModuleCat.of k ((Fin (n + 1) → G) → ↑A)

The differential in the complex of inhomogeneous cochains used to calculate group cohomology.

Defined in
Mathlib.RepresentationTheory.Homological.GroupCohomology.Basic
Cited by
17 results in Mathlib
Foundations
Depth 57 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CommRingMonoid

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

groupCohomology.inhomogeneousCochains · cited by 83groupCohomology.inhomogen…groupCohomology.comp_d₀₁_eq · cited by 6groupCohomology.comp_d₀₁_…groupCohomology.cocyclesMk · cited by 6groupCohomology.cocyclesMkgroupCohomology.toCocycles_comp_isoCocycles₁_hom · cited by 2groupCohomology.toCocycle…groupCohomology.toCocycles_comp_isoCocycles₂_hom · cited by 2groupCohomology.toCocycle…inhomogeneousCochains.d_hom_apply · cited by 1inhomogeneousCochains.d_h…groupCohomology.iCocycles_mk · cited by 1groupCohomology.iCocycles…groupCohomology.inhomogeneousCochains.d_def · cited by 0inhomogeneousCochains.d_d…groupCohomology.cocyclesMk.congr_simp · cited by 0cocyclesMk.congr_simpinhomogeneousCochains.d_eq · cited by 0inhomogeneousCochains.d_eqRep.tateNorm_comp_d · cited by 0Rep.tateNorm_comp_dgroupCohomology.eq_d₀₁_comp_inv_apply · cited by 0groupCohomology.eq_d₀₁_co…groupCohomology.eq_d₀₁_comp_inv_assoc · cited by 0groupCohomology.eq_d₀₁_co…groupCohomology.eq_d₁₂_comp_inv_apply · cited by 0groupCohomology.eq_d₁₂_co…groupCohomology.eq_d₁₂_comp_inv_assoc · cited by 0groupCohomology.eq_d₁₂_co…DFunLike.coe · cited by 62936DFunLike.coeQuiver.Hom · cited by 32603Quiver.HomCommRing · cited by 17173CommRingFinset.sum · cited by 5195Finset.sumMonoid · cited by 3887MonoidFinset.univ · cited by 3473Finset.univModuleCat · cited by 1429ModuleCatRep · cited by 843RepRep.V · cited by 695Rep.VModuleCat.of · cited by 594ModuleCat.ofRep.ρ · cited by 356Rep.ρModuleCat.ofHom · cited by 200ModuleCat.ofHomFin.contractNth · cited by 21Fin.contractNthinhomogeneousCochains.dCITED BYCITES

Cites13

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Cited by19

Results whose statement or proof uses this declaration.