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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. -/

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