Theorems · Definition · operator theory
LinearMap.IsSymmetric
{𝕜 : Type u_1} →
{E : Type u_2} →
[inst : RCLike 𝕜] → [inst_1 : SeminormedAddCommGroup E] → [inst_2 : InnerProductSpace 𝕜 E] → (E →ₗ[𝕜] E) → PropA (not necessarily bounded) operator on an inner product space is symmetric, if for all
x, y, we have ⟪T x, y⟫ = ⟪x, T y⟫.
- Cited by
- 121 results in Mathlib
- Foundations
- Depth 46 from the axioms, rests on 492 definitions · uses propext, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites7
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- DFunLike.coeproof · cited by 62,936
- RingHom.idstatement and proof · cited by 18,349
- LinearMapstatement and proof · cited by 10,215
- InnerProductSpacestatement and proof · cited by 3,523
- RCLikestatement and proof · cited by 2,829
- SeminormedAddCommGroupstatement and proof · cited by 2,671
- Inner.innerproof · cited by 1,089
Cited by129
Results whose statement or proof uses this declaration.
- LinearMap.IsPositiveproof · cited by 39
- ContinuousLinearMap.IsPositiveproof · cited by 38
- LinearMap.IsSymmetric.eigenvaluesstatement · cited by 31
- LinearMap.IsSymmetric.eigenvectorBasisstatement · cited by 11
- LinearMap.isSymmetric_adjoint_comp_selfstatement · cited by 11
- LinearMap.IsPositive.isSymmetricstatement · cited by 9
- LinearMap.IsSymmetric.clm_adjoint_eqstatement and proof · cited by 8
- LinearMap.IsSymmetricProjection.isSymmetricstatement · cited by 6
- LinearMap.IsSymmetric.adjoint_eqstatement and proof · cited by 5
- LinearMap.IsSymmetric.apply_eigenvectorBasisstatement and proof · cited by 5
- LinearMap.IsSymmetric.toSelfAdjointstatement and proof · cited by 5
- ContinuousLinearMap.IsPositive.isSymmetricstatement · cited by 5