OAI/MathematicalPhysics/DefocusingNLS/Linear/HomogeneousClassicalGreen.lean

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5 declarations, 0 contain sorry, 0 declared as axioms

Compact-test Green identity for the actual C² physical realization

The physical function need not decay or have globally integrable derivatives: every integrand is localized by the compactly supported smooth test.

  1. theorem OAI.DefocusingNLS.continuous_laplacian_of_contDiff_two line 20
  2. theorem OAI.DefocusingNLS.hasCompactSupport_laplacian line 28
  3. theorem OAI.DefocusingNLS.compactSchwartz_mul_continuous line 39
  4. theorem OAI.DefocusingNLS.compactTest_second_directional_green line 44
  5. theorem OAI.DefocusingNLS.compactTest_laplacian_green line 92

    Source documentation

    Green's identity against a compact smooth test, for a globally C² physical function with no additional integrability hypothesis.

    theorem compactTest_laplacian_green (ψ : š“¢(E, ā„‚))
        (hc : HasCompactSupport ψ) (F : E → ā„‚) (hF : ContDiff ā„ 2 F) :
        (∫ x : E, ψ x * Ī” F x) = ∫ x : E, Ī” (fun y => ψ y) x * F x := by
    …