OAI/Topology/CoarseAssembly/RegularConstants.lean
4 declarations, 0 contain sorry, 0 declared as axioms
Invariants of the actual amplified finite regular representation
- def
OAI.CoarseAssembly.leftTranslationHomline 16Source documentation
Left translations form a unitary representation, with the ample coefficient space unchanged.
def leftTranslationHom : Q →* (lp (fun _ : Q => H) 2 ≃ₗᵢ[ℂ] lp (fun _ : Q => H) 2) where …
- theorem
OAI.CoarseAssembly.regular_fixed_projectionline 27 - theorem
OAI.CoarseAssembly.regular_fixed_iff_projectionline 52 - theorem
OAI.CoarseAssembly.inner_eq_zero_of_projection_zeroline 62Source documentation
The kernel of the constant projection is orthogonal to every invariant vector of the regular representation.
theorem inner_eq_zero_of_projection_zero (x y : lp (fun _ : Q => H) 2) (hx : constantProjection Q x = 0) (hy : constantProjection Q y = y) : inner ℂ y x = 0 := by …Mentions: OAI.CoarseAssembly.constantProjection