Leray Limit Interpolation #
Supporting estimates for the Navier–Stokes development.
theorem
CKN.Leray.lerayLimit_strongLp_of_strongL2_and_uniform_high
{α : Type u_1}
{E : Type u_2}
[MeasurableSpace α]
[NormedAddCommGroup E]
{μ : MeasureTheory.Measure α}
{F : ℕ → α → E}
{G : α → E}
(hFlow : ∀ (n : ℕ), MeasureTheory.MemLp (F n) (ENNReal.ofReal 2) μ)
(hbound : ∃ B < ⊤, ∀ (n : ℕ), MeasureTheory.eLpNorm (F n) (ENNReal.ofReal (10 / 3)) μ ≤ B)
(h2 : Filter.Tendsto (fun (n : ℕ) => MeasureTheory.eLpNorm (F n - G) (ENNReal.ofReal 2) μ) Filter.atTop (nhds 0))
(q : ℝ)
:
2 ≤ q →
q < 10 / 3 →
Filter.Tendsto (fun (n : ℕ) => MeasureTheory.eLpNorm (F n - G) (ENNReal.ofReal q) μ) Filter.atTop (nhds 0)
A strong global L² limit and a uniform global L^(10/3) bound give
strong convergence in each intermediate exponent on an arbitrary measure
space.