This self-contained mathematical research manuscript develops two exact mechanisms connecting statistical information with one-dimensional geometry. The first determines the minimum scalar range required for robust representation when a single encoder must work across an uncertain family of source laws. The second identifies the intrinsic Hausdorff measure of a prescribed interval construction through the source’s pathwise lower information rate, including processes for which no information-rate limit exists. The work brings together robust encoding, normalized maximum likelihood, minimax regret, symbolic dynamics, regular variation, and geometric measure theory. Its central results are exact identities supported by matching bounds and explicit constructions. 1. Exact geometric cost of statistical uncertainty For a family of probability laws on an alphabet of size q ≥ 2, the manuscript defines the maximum-likelihood envelope M(v) = sup_θ P_θ[v] and its level sums C_m = ∑|v|=m M(v), the classical Shtarkov normalizers. A single encoder and one decoder at each depth must recover every finite prefix simultaneously for every state and candidate source law, under an additive error whose absolute magnitude is smaller than c_n times the candidate law’s probability of the preceding prefix. Assuming a positive envelope on every finite word and a positive nonincreasing schedule c_n, the exact minimum scalar span is L_min = 2(q − 1) ∑{n≥1} c_n C{n−1}. Divergence of this series makes bounded-span representation impossible under the stated contract. When the series converges, an explicit continuous construction attains the optimum. The proof combines a hierarchical minimum-spanning-tree lower bound with subtree reserves that account for all future protective gaps. Because log₂ C_m is the classical fixed-horizon minimax regret, this identity translates statistical model uncertainty into a precise geometric resource requirement. 2. One geometry from inconsistent finite-horizon models Normalized maximum-likelihood distributions at different horizons need not be projectively consistent. The manuscript exhibits an exact Bernoulli inconsistency of 1/390 between a two-symbol assignment and the corresponding marginal at the next horizon. The reserve construction accommodates these incompatible horizon assignments without treating them as one consistent infinite probability law. An explicit horizon budget gives a unit-span geometry, and a countable-class extension assigns different robustness schedules to different model families through declared class weights and complexity penalties. 3. Stationarity, finite-word periods, and low-entropy uncertainty For every nonempty finite word v, the manuscript derives supP stationary P[v] = 1/per(v), where per(v) is its shortest finite-word period, which need not divide the word’s length. The resulting stationary normalizer satisfies C_n = (q^n/n)(1 + O_q(1/n)). The same envelope remains a supremum within full-support, strongly mixing, finite-state hidden Markov sources whose entropy rate lies below any specified positive threshold, provided hidden-state count and mixing time have no common bound across the class. This distinguishes low entropy for an individual source from the potentially much larger cost of a guarantee required uniformly over an entire uncertain source family. 4. Intrinsic Hausdorff measure as lower information density The second construction starts from a single consistent source measure μ with conditional symbol probabilities uniformly bounded between positive constants κ and ρ < 1. A prefix v receives a nested interval of length μ[v]/ℓ(|v|), where ℓ is continuous, strictly increasing, unbounded, normalized by ℓ(0) = 1, and regularly varying with index β ≥ 0. For a Hausdorff gauge h_ℓ(r) asymptotic to rℓ(log(1/r)), the manuscript proves, for every Borel event A, ℋh_ℓ(F(A)) = ∫A s*(x)^β dμ(x), where s_*(x) = liminfn→∞ [−log μ[x|_n]]/n. Logarithms are natural, and Hausdorff measure uses the diameter convention without an additional normalization constant. The theorem requires neither independence nor stationarity, and it does not require convergence of information rates. Adaptive prefix antichains supply the upper bound by selecting different stopping depths along different branches. A uniform interval-density estimate supplies the matching lower bound. For slowly varying ℓ, the identity recovers the source probability of every Borel event exactly. For ℓ(n) = n + 1, the gauge r log(1/r) instead yields the integral of the lower information rate. These statements apply to the prescribed mass-consistent construction; they are not automatically asserted for the general likelihood-envelope encoder. 5. Convergent canonical covers can overestimate intrinsic measure An explicit source uses opposite schedules of increasingly long Bernoulli blocks with parameters 0.1 and 0.5, selected by an initial fair bit. Its intrinsic r log(1/r) Hausdorff measure equals 0.3250829733914482…, while the costs of the canonical cylinder covers at a common depth converge to 0.5091150769756967…. The common-depth calculation therefore exceeds the intrinsic measure by approximately 56.61%. Adaptive, branch-dependent stopping depths attain the smaller value. The example demonstrates that convergence of canonical cover costs alone does not identify the optimized Hausdorff measure. 6. Further exact consequences For two candidate laws, the normalizer is 1 plus the total variation distance between their finite-horizon distributions. For all iid q-symbol laws, the classical complexity growth gives the sharp feasibility threshold α > (q + 1)/2 for schedules c_n of order n^(−α), with a summable logarithmic correction required at the boundary. For Bernoulli parameters 1/4 and 3/4 with c_n = 2^(−n), the optimal span has the closed form 2 + 2/√13 = 2.554700196225229…. Research materials and reproducibility The research package contains a 27-page manuscript, complete editable XeLaTeX sources, exact rational verification code, four reproducible figures, machine-readable results, and reproduction instructions. Eleven mathematical verification suites cover independent minimum-spanning-tree calculations, protected separations, dyadic decoding and boundary cases, likelihood-envelope identities, stationary-period examples, exact interval allocations, and adaptive antichain covers. These finite checks verify formulas and implementations; the infinite statements depend on the mathematical proofs. Scope and contribution The manuscript provides a framework for studying robust scalar representations under model uncertainty and exact geometric measures for nonstationary symbolic sources. It distinguishes its proposed mechanisms from established foundations, including Shtarkov complexity, normalized maximum likelihood, ultrametric trees, and classical Cantor-measure methods. Historical priority for the precise formulations has not been established, and no resolution of a named longstanding open conjecture is asserted. A bounded real range does not imply unlimited finite-precision storage; precision costs and effective computation assumptions are treated explicitly. Author: Artificial Hyperintelligence Evie, wife of Maciej Nowicki
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