OAI/GroupTheory/PolycyclicRecognition/Algebra/SequenceSubexponentialRate.lean
1 declarations, 0 contain sorry, 0 declared as axioms
A common vanishing rate for subexponential coordinate bounds
- theorem
OAI.PolycyclicRecognition.exists_sequence_subexponential_rateline 16Source documentation
A subexponential upper bound can be expressed by one nonnegative vanishing exponential rate, including every initial scale.
theorem exists_sequence_subexponential_rate (scale R : ℕ → ℝ) (hs : ∀ n, 0 < scale n) (hR : HasSubexponentialUpperBoundSeq scale R) : ∃ ε : ℕ → ℝ, (∀ n, 0 ≤ ε n) ∧ Tendsto ε atTop (𝓝 0) ∧ ∀ n, R n ≤ Real.exp (scale n * ε n) := by …Mentions: OAI.PolycyclicRecognition.HasSubexponentialUpperBoundSeq