Simplest exactly solvable chaotic map: x(n+1) = 2x mod 1. Maximal entropy h=log2, uniform invariant measure, Bernoulli process on binary digits
Standard analysis sees: rich, high-entropy values; high-dimensional / space-filling. The atlas finds no named structure, but the source is distinctively extreme on Zariski:residual_slope (-2.7z) — beyond what the standard bank predicts for it. It sits beside Uniform Chaos (Logistic Scramble) in the atlas (standard-bank rank 57) — a neighbor conventional features miss.
Zariski:residual_slope | -2.7z | bank-miss 3.4σ |









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| Nearest neighbor | Distance | |
|---|---|---|
| LFSR (16-bit) | 2.47 | cross-origin |
| Baker Map | 3.52 | |
| Uniform Chaos (Logistic Scramble) | 3.92 |
Symplectic › Symplectic:phase_reflection_symmetry | rank 304/307 | -0.0361 |
Zariski › Zariski:residual_slope | rank 303/307 | -5.5469 |