Mathlib Map

Theorems · Definition · linear algebra

Module.End.eigenspace

{R : Type v} →
  {M : Type w} →
    [inst : CommRing R] → [inst_1 : AddCommGroup M] → [inst_2 : Module R M] → Module.End R M → R → Submodule R M

The submodule eigenspace f μ for a linear map f and a scalar μ consists of all vectors x such that f x = μ • x. (Def 5.52 of [axler2024]).

Defined in
Mathlib.LinearAlgebra.Eigenspace.Basic
Cited by
56 results in Mathlib
Foundations
Depth 66 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CommRingAddCommGroupModule

Around this declaration

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

Module.End.mem_eigenspace_iff · cited by 16End.mem_eigenspace_iffLieModule.weightSpace · cited by 7LieModule.weightSpaceModule.End.hasEigenvalue_iff · cited by 5End.hasEigenvalue_iffModule.End.eigenspace_def · cited by 5End.eigenspace_defModule.End.eigenspace_zero · cited by 5End.eigenspace_zeroLinearMap.IsSymmetric.orthogonalComplement_iSup_eigenspaces_eq_bot · cited by 4IsSymmetric.orthogonalCom…LinearMap.IsSymmetric.orthogonalFamily_eigenspaces' · cited by 4IsSymmetric.orthogonalFam…Module.End.IsFinitelySemisimple.maxGenEigenspace_eq_eigenspace · cited by 4IsFinitelySemisimple.maxG…LinearMap.IsSymmetric.orthogonalComplement_iSup_eigenspaces_invariant · cited by 3IsSymmetric.orthogonalCom…LinearMap.IsSymmetric.orthogonalFamily_eigenspaces · cited by 3IsSymmetric.orthogonalFam…LinearMap.IsSymmetric.diagonalization · cited by 3IsSymmetric.diagonalizati…LinearMap.IsSymmetric.direct_sum_isInternal · cited by 3IsSymmetric.direct_sum_is…LinearMap.IsSymmetric.orthogonalComplement_iSup_eigenspaces · cited by 2IsSymmetric.orthogonalCom…LieModule.mem_weightSpace · cited by 2LieModule.mem_weightSpaceModule.End.eigenspace_mem_invtSubmodule · cited by 2End.eigenspace_mem_invtSu…DFunLike.coe · cited by 62936DFunLike.coeModule · cited by 20661ModuleCommRing · cited by 17173CommRingAddCommGroup · cited by 12871AddCommGroupSubmodule · cited by 7192SubmoduleModule.End · cited by 774Module.EndModule.End.genEigenspace · cited by 70End.genEigenspaceEnd.eigenspaceCITED BYCITES

Cites7

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

Cited by58

Results whose statement or proof uses this declaration.