structure
definition
def or abbrev
AdmissiblePath
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formal statement (Lean)
33structure AdmissiblePath (a b : ℝ) where
34 /-- The underlying function. -/
35 toFun : ℝ → ℝ
36 /-- Continuity on the closed interval. -/
37 cont : ContinuousOn toFun (Icc a b)
38 /-- Strict positivity on the closed interval. -/
39 pos : ∀ t ∈ Icc a b, 0 < toFun t
40
41namespace AdmissiblePath
42
43variable {a b : ℝ}
44
45instance : CoeFun (AdmissiblePath a b) (fun _ => ℝ → ℝ) := ⟨AdmissiblePath.toFun⟩
proof body
Definition body.
46
used by (23)
-
actionJ_convex_on_interp -
actionJ_local_min_is_global -
actionJ_minimum_unique_value -
geodesic_minimizes_unconditional -
geodesic_minimizes_via_convexity -
principle_of_least_action -
actionJ -
actionJ_const_one -
actionJ_def -
actionJ_nonneg -
coe_mk -
const -
const_apply -
fixedEndpoints -
fixedEndpoints_refl -
fixedEndpoints_symm -
fixedEndpoints_trans -
interp -
interp_apply -
interp_fixedEndpoints -
interp_one -
interp_zero -
pathSpace_status