(mu : ℝ) (z : diffMaxDom mu) (ε : ℝ) (hε : 0 < ε) : ∃ y : diffMaxDom mu, (y : L2d 3) ∈ (polyGaussCore (d

-- Generated from ChapterNavierStokesDiffFarisLavine.lean — theorem BookProof.NavierStokesFlow.DiffFarisLavine.diffMaxN_core_approx
import Mathlib
import Definitions.Def_ChapterNavierStokesDiffFarisLavine
import Definitions.Def_ChapterHermiteProductCore
import Definitions.Def_ChapterHermiteProductBasis
open BookProof.NavierStokesFlow
open BookProof.NavierStokesFlow.DiffFarisLavine













open MvPolynomial
open BookProof.HermiteProductCore BookProof.HermiteProductBasis
open BookProof.NavierStokesFlow.LpNat BookProof.FarisLavine BookProof.NavierStokesFlow.IkebeKato BookProof.NavierStokesFlow.ThreeComponent BookProof.NavierStokesFlow.CanonicalVector BookProof.NavierStokesFlow.DifferentialL2

noncomputable section

















variable (A : Matrix (Fin 3) (Fin 3) ℝ) (c : Fin 3 → ℝ)

set_option maxHeartbeats 4000000 in
-- The core operators unfold through several linear equivalences on a submodule of `L²(ℝ³)`,
-- so the default heartbeat budget is not enough.

theorem BookProof.NavierStokesFlow.DiffFarisLavine.diffMaxN_core_approx (mu : ℝ) (z : diffMaxDom mu) (ε : ℝ) (hε : 0 < ε) :
    ∃ y : diffMaxDom mu, (y : L2d 3) ∈ (polyGaussCore (d := 3)) ∧
      ‖(y : L2d 3) - (z : L2d 3)‖ < ε ∧ ‖diffMaxN mu y - diffMaxN mu z‖ < ε := by sorry