OAI/Geometry/RCD/Transport/RenyiEnergyIntegrability.lean

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3 declarations, 0 contain sorry, 0 declared as axioms

Integrability of the finite-dimensional energy weight

  1. theorem OAI.RegularPointCoordinates.integrable_positive_power_of_bounded line 13
  2. theorem OAI.RegularPointCoordinates.memLp_density_power line 27
  3. theorem OAI.RegularPointCoordinates.renyi_energy_integrable_of_relative_gradient line 40

    Source documentation

    The usual relative gradient estimate for a positive log-Lipschitz density makes the Rényi energy pairing integrable at every N >= 2.

    theorem renyi_energy_integrable_of_relative_gradient (u ρ : SobolevSpace μ hQ)
        (hp : ∀ᵐ x ∂μ, 0<SobolevSpace.toLp μ hQ ρ x)
        (hi : Integrable (SobolevSpace.toLp μ hQ ρ) μ) {M L q : ℝ}
        (hb : ∀ᵐ x ∂μ, SobolevSpace.toLp μ hQ ρ x≤M) (hq : 1/2≤q)
        (hrel : ∀ᵐ x ∂μ, SobolevSpace.minimalSlope μ hQ ρ x≤
          L*SobolevSpace.toLp μ hQ ρ x) :
        Integrable (fun x => (q-1)*(SobolevSpace.toLp μ hQ ρ x)^(q-1)*
          localGamma μ hQ u ρ x) μ := by
    …

    Mentions: OAI.RegularPointCoordinates.SobolevSpace, OAI.RegularPointCoordinates.SobolevSpace.toLp, OAI.RegularPointCoordinates.SobolevSpace.minimalSlope, OAI.RegularPointCoordinates.localGamma