OAI/MeasureTheory/SelfSimilar/HomogeneousDimension.lean
2 declarations, 0 contain sorry, 0 declared as axioms
- theorem
OAI.EntropyRateDimension.Extensions.homogeneous_exponent_lower_directline 12Source documentation
Constant ratios need only one type in the entropy-gap contradiction.
theorem homogeneous_exponent_lower_direct {ι : Type uι} [Fintype ι] [Nonempty ι] (S : System ι) {lam : ℝ} (hr : ∀ i, S.ratio i = lam) (μ : Measure ℝ) [IsProbabilityMeasure μ] (hμ : S.SelfSimilar μ) : min 1 (S.entropyRate / S.lyapunov) ≤ Coding.exponent S := by …Mentions: OAI.EntropyRateDimension.System, OAI.EntropyRateDimension.Coding.exponent
- theorem
OAI.EntropyRateDimension.Extensions.homogeneous_dimension_directline 34Source documentation
Same hypotheses and conclusion as homogeneous_dimension; independent proof branch.
Distinct definitions of this name: ComparatorChallenges/SelfSimilarCorollaries.lean:49 (same statement text; different proof or body). Qualify references as OAI.EntropyRateDimension.Extensions.homogeneous_dimension_direct@path.
theorem homogeneous_dimension_direct {ι : Type uι} [Fintype ι] [Nonempty ι] (S : System ι) {lam : ℝ} (hlam : 0 < lam) (hr : ∀ i, S.ratio i = lam) (μ : Measure ℝ) [IsProbabilityMeasure μ] (hμ : S.SelfSimilar μ) (h : NoExactOverlaps S) : lowerHausdorffDimension μ = ENNReal.ofReal (min 1 (symbolEntropy S / Real.log (1/lam))) := by …Mentions: OAI.EntropyRateDimension.System, OAI.EntropyRateDimension.Extensions.NoExactOverlaps, OAI.EntropyRateDimension.Extensions.symbolEntropy