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definition
MassGap
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IndisputableMonolith.YM.OS on GitHub at line 48.
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45def GapPersists (γ : ℝ) : Prop := 0 < γ
46
47/-- Lattice mass gap: existence of a kernel with PF gap γ. -/
48def MassGap (_μ : LatticeMeasure) (γ : ℝ) : Prop := ∃ K : Kernel, TransferPFGap (μ:=default) K γ
49
50/-- Continuum mass gap: lattice gap persists via stability hypothesis. -/
51def MassGapCont (γ : ℝ) : Prop := ∃ μ : LatticeMeasure, MassGap μ γ ∧ GapPersists γ
52
53/-- OS positivity + PF transfer gap yields a lattice mass gap. -/
54theorem mass_gap_of_OS_PF {μ : LatticeMeasure} {K : Kernel} {γ : ℝ}
55 (hOS : OSPositivity μ) (hPF : TransferPFGap μ K γ) : MassGap μ γ := by
56 exact ⟨K, hPF⟩
57
58/-- Lattice gap persists to continuum under stability hypothesis. -/
59theorem mass_gap_continuum {μ : LatticeMeasure} {γ : ℝ}
60 (hGap : MassGap μ γ) (hPers : GapPersists γ) : MassGapCont γ := by
61 exact ⟨μ, hGap, hPers⟩
62
63end
64end OS
65end YM
66end IndisputableMonolith