Simultaneous domination for the positive-rate errors #
References #
- J. Bertoin, Lévy Processes, Cambridge University Press, 1996, Chapter IV.
theorem
BGW.StableTrees.ae_abs_discountedErrorMartingale_le
{θ : ℝ}
(hθ : 1 < θ ∧ θ ≤ 2)
{ε : ℝ}
(hε : 0 < ε)
(K : ℝ)
(T : NNReal)
:
∃ (q₀ : ℝ) (C : ℝ),
0 < q₀ ∧ ∀ᵐ (f : Skorokhod.DLoc) ∂↑(stableLocalLaw θ), ∀ s ≤ T,
supReflectedFrom 0 f s ≤ K →
∀ (q : ℝ), 0 < q → q < q₀ → |discountedErrorMartingale θ q ε s f| ≤ ↑T / ε + supAuxLocalTime θ f T + C
Domination holds on one event for all times and all sufficiently small positive rates.