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Theorems · Definition · group theory

Representation.Coinvariants.ker

{k : Type u_1} →
  {G : Type u_2} →
    {V : Type u_3} →
      [inst : CommRing k] →
        [inst_1 : Monoid G] → [inst_2 : AddCommGroup V] → [inst_3 : Module k V] → Representation k G V → Submodule k V

The submodule of a representation generated by elements of the form ρ g x - x.

Defined in
Mathlib.RepresentationTheory.Coinvariants
Cited by
20 results in Mathlib
Foundations
Depth 33 from the axioms · uses propext, Quot.sound
Assumes
CommRingMonoidAddCommGroupModule

Around this declaration

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

Representation.Coinvariants · cited by 48Representation.Coinvarian…Representation.Coinvariants.mk · cited by 39Coinvariants.mkRepresentation.Coinvariants.lift · cited by 9Coinvariants.liftRep.coinvariantsShortComplex · cited by 8Rep.coinvariantsShortComp…Representation.Coinvariants.mem_ker_of_eq · cited by 6Coinvariants.mem_ker_of_eqRepresentation.Coinvariants.hom_ext · cited by 5Coinvariants.hom_extRepresentation.Coinvariants.mk_eq_iff · cited by 4Coinvariants.mk_eq_iffgroupHomology.chains₁ToCoinvariantsKer · cited by 2groupHomology.chains₁ToCo…Representation.toCoinvariants · cited by 2Representation.toCoinvari…Representation.toCoinvariantsKer · cited by 2Representation.toCoinvari…groupHomology.range_d₁₀_eq_coinvariantsKer · cited by 2groupHomology.range_d₁₀_e…Representation.FiniteCyclicGroup.coinvariantsKer_eq_range · cited by 1FiniteCyclicGroup.coinvar…groupHomology.chains₁ToCoinvariantsKer_surjective · cited by 1groupHomology.chains₁ToCo…groupHomology.coinvariantsKerOfIsBoundary₀ · cited by 1groupHomology.coinvariant…groupHomology.comap_coinvariantsKer_pOpcycles_range_subtype_pOpcycles_eq_top · cited by 1groupHomology.comap_coinv…DFunLike.coe · cited by 62936DFunLike.coeModule · cited by 20661ModuleCommRing · cited by 17173CommRingAddCommGroup · cited by 12871AddCommGroupSubmodule · cited by 7192SubmoduleSet.range · cited by 4705Set.rangeMonoid · cited by 3887MonoidSubmodule.span · cited by 1504Submodule.spanRepresentation · cited by 396RepresentationCoinvariants.kerCITED BYCITES

Cites9

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Cited by30

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