OAI/Analysis/Nonexpansive/TreeTerminal.lean
3 declarations, 0 contain sorry, 0 declared as axioms
Total displacement of the actual finite tree at the terminal sequence
The displacement through depth N is terminalDefect (N+1).
The transmitted-subtree estimate only needs the internal part through depth
N-1. Both are finite sums of actual generated-map displacements.
- theorem
OAI.ReflexiveFixedPoints.TreeEvaluation.terminalDefect_nonnegline 26 - theorem
OAI.ReflexiveFixedPoints.TreeEvaluation.terminalDefect_le_succline 33Source documentation
Including the terminal level can only increase total displacement.
theorem terminalDefect_le_succ {X : Type*} [NormedAddCommGroup X] [NormedSpace ℝ X] [CompleteSpace X] {T : OrderedTree} {W : WeightedTree T} {K : Set X} (E : TreeEvaluation W K) (N : ℕ) (b : K) : E.terminalDefect N b ≤ E.terminalDefect (N + 1) b := by …Mentions: OAI.ReflexiveFixedPoints.OrderedTree, OAI.ReflexiveFixedPoints.WeightedTree, OAI.ReflexiveFixedPoints.TreeEvaluation
- theorem
OAI.ReflexiveFixedPoints.TreeEvaluation.terminalDefect_terminalSequence_tendstoline 43Source documentation
The total displacement of every fixed finite actual tree tends to zero on its one common resolvent terminal sequence.
theorem terminalDefect_terminalSequence_tendsto (hKclosed : IsClosed K) (hKconvex : Convex ℝ K) (F : K → K) (hF : LipschitzWith 1 F) (hdiam : ∀ a b : K, ‖(a : X) - b‖ ≤ 1) (hgenerated : ∀ k v, Generated hKclosed hKconvex F hF (E.map k v)) (x : K) (N : ℕ) : Tendsto (fun j => E.terminalDefect N (terminalSequence hKclosed hKconvex F hF x j)) atTop (𝓝 0) := by …Mentions: OAI.ReflexiveFixedPoints.Generated, OAI.ReflexiveFixedPoints.terminalSequence