OAI/Topology/CoarseAssembly/RegularConstants.lean

GitHub source file

4 declarations, 0 contain sorry, 0 declared as axioms

Invariants of the actual amplified finite regular representation

  1. def OAI.CoarseAssembly.leftTranslationHom line 16

    Source 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
    …
  2. theorem OAI.CoarseAssembly.regular_fixed_projection line 27
  3. theorem OAI.CoarseAssembly.regular_fixed_iff_projection line 52
  4. theorem OAI.CoarseAssembly.inner_eq_zero_of_projection_zero line 62

    Source 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