structure
definition
def or abbrev
StabilityHypotheses
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formal statement (Lean)
114structure StabilityHypotheses (H : ℝ → ℝ) (T : ℝ) where
115 /-- H is at least C³ on [-T, T] -/
116 smooth : ContDiff ℝ 3 H
117 /-- H is even: H(-t) = H(t) -/
118 even : Function.Even H
119 /-- H(0) = 1 -/
120 normalized : H 0 = 1
121 /-- H''(0) = a > 0 -/
122 curvature : ℝ
123 curvature_pos : 0 < curvature
124 curvature_eq : deriv (deriv H) 0 = curvature
125 /-- T > 0 -/
126 T_pos : 0 < T
127
128/-- Bound constants for the stability estimate. -/
used by (12)
-
cost_stability_calibrated -
cost_stability_transfer -
CostStabilityTransferHypothesis -
dAlembert_stability -
ode_approximation_from_defect -
ODEApproximationHypothesis -
stability_calibrated -
stability_from_ode_approx -
StabilityFromODEHypothesis -
zero_defect_calibrated_implies_cosh -
zero_defect_implies_cosh -
ZeroDefectImpliesCoshHypothesis