English
Iterates of an endomorphism maintain Lipschitz property with exponentiated constants: f^n is Lipschitz with (K^n).
Русский
Итерация липшицева эндоморфизма сохраняет липшицевость: f^n липшицево с константой K^n.
LaTeX
$$$\\text{LipschitzWith } K f \\Rightarrow \\forall n, \\text{ LipschitzWith } (K^n) (f^n)$$$
Lean4
protected theorem pow_end {f : Function.End α} {K} (h : LipschitzWith K f) :
∀ n : ℕ, LipschitzWith (K ^ n) (f ^ n : Function.End α)
| 0 => by simpa only [pow_zero] using LipschitzWith.id
| n + 1 => by
rw [pow_succ, pow_succ]
exact (LipschitzWith.pow_end h n).mul_end h