OAI/NumberTheory/Ostmann/Construction/InitialAtomGuards.lean

GitHub source file

5 declarations, 0 contain sorry, 0 declared as axioms

Exact prime-unit support and Fourier normalization at depth zero

  1. theorem OAI.Ostmann.initial_atom_units_iff line 12
  2. theorem OAI.Ostmann.initial_atom_pairwise line 22
  3. theorem OAI.Ostmann.fullAtomTransferWeight_initial line 36
  4. theorem OAI.Ostmann.initial_atom_total line 57
  5. theorem OAI.Ostmann.normalizedFourierProfile_even_original line 68

    Source documentation

    The chosen even cutoff makes the negative recursive Fourier convention identical to the original positive-frequency Poisson convention.

    theorem normalizedFourierProfile_even_original (ψ : ℝ → ℂ)
        (heven : ∀ t, ψ (-t) = ψ t) (X M v : ℝ) (hX : X ≠ 0) (hM : M ≠ 0) :
        normalizedFourierProfile ψ v (M / X) =
          (Real.sqrt (X / M) : ℂ) * ψ (v * X / M) := by
    …

    Mentions: OAI.Ostmann.normalizedFourierProfile