OAI/Geometry/RCD/Heat/HeatLogarithmData.lean

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Constructed Sobolev logarithmic heat data

The regularized logarithm of the actual bounded RCD heat evolution has a Sobolev Laplacian and a Sobolev squared gradient. No bound on the original heat generator is assumed.

  1. theorem OAI.RegularPointCoordinates.NoncollapsedRCD.heat_logarithm_sobolev_data line 26
  2. theorem OAI.RegularPointCoordinates.NoncollapsedRCD.heat_logarithm_bochner_data line 65

    Source documentation

    The actual logarithmic heat state satisfies Bochner for every bounded continuous nonnegative Sobolev test on the whole space.

    theorem heat_logarithm_bochner_data (f : Lp ℝ 2 (hausdorff n X))
        (hf0 : 0≤f) (A : ℝ≥0) (hf : ∀ᵐ x ∂hausdorff n X, |f x|≤A)
        {t ε : ℝ} (ht : 0<t) (hε : 0<ε) :
        let v := hX.boundedHeat hn p f ⟨A,hf⟩ t ht
    …

    Mentions: OAI.RegularPointCoordinates.hausdorff