L-System (Dragon Curve)

symbolic-dynamics · 37 views
symbolic-dynamicssymbolic

What It Is

Dragon curve L-system (F→F+G, G→F-G) --- the turn sequence is the regular paper-folding sequence, a non-periodic deterministic binary sequence with fractal spectral measure

Interpretation

Standard analysis sees: bounded / light-tailed; few distinct values; anti-persistent; monofractal; stationary. The atlas finds no named structure, but the source is distinctively extreme on Gottwald-Melbourne:k_variance (+5.4z) — beyond what the standard bank predicts for it.

What standard analysis sees
tail heaviness0.00
asymmetry0.41
occupancy0.08
short-range corr0.31
long-range memory0.08
spectral colour0.76
periodicity0.83
complexity0.37
time-irreversibility0.51
volatility clustering0.22
multifractality0.07
dimensionality0.56
nonstationarity0.03
What the atlas adds
Atlas-extreme metrics the standard bank can’t predict for this source
Gottwald-Melbourne:k_variance+5.4zbank-miss 1.5σ
Nonstationarity:change_quantiles_mid+3.7zbank-miss 1.1σ
Lorentzian:crossing_density+3.3zbank-miss 1.5σ
Spherical S²:angular_spread+3.1zbank-miss 1.6σ
Nonstationarity:dynamic_coupling+2.9zbank-miss 1.0σ
Spirograph:angular_order+2.6zbank-miss 1.3σ
Modular Residue:occupancy_entropy-2.3zbank-miss 1.7σ

Composition

dtypefloat64
range[0, 1]
unique values2 / 16384
mean ± std0.5 ± 0.5

Binary sequence — two distinct symbols.

Render Gallery

Atlas Position

Nearest neighborDistance
Kolakoski Sequence4.28
Fibonacci Word4.30
Thue-Morse4.38

Open in Atlas →

Which Geometries Light Up

Ammann-Beenker (Octagonal) › Ammann-Beenker (Octagonal):convergent_profilerank 303/306-0.1522
Boltzmann › Boltzmann:dominant_lagrank 1/3061024.0000
Boltzmann › Boltzmann:spectral_gap_Jrank 2/3060.9998
Boltzmann › Boltzmann:nn_dominancerank 305/3060.0002
Cantor Set › Cantor Set:bit_plane_autocorrelationrank 306/3060.0001
Catch24 › Catch24:DN_Spread_Stdrank 3/3060.5000
Gottwald-Melbourne › Gottwald-Melbourne:k_variancerank 1/3060.8832
Heisenberg (Nil) (centered) › Heisenberg (Nil) (centered):area_length_ratiorank 304/3060.0000
Higher-Order Statistics › Higher-Order Statistics:bicoherence_maxrank 5/3060.9999
Higher-Order Statistics › Higher-Order Statistics:skew_meanrank 302/3060.0001
Hyperbolic (Poincaré) › Hyperbolic (Poincaré):curvature_structurerank 303/3061.1201
Lorentzian › Lorentzian:crossing_densityrank 1/3060.7500
Mostow Rigidity › Mostow Rigidity:laplacian_perturbation_stabilityrank 4/3061.0000
Navier-Stokes › Navier-Stokes:ess_rescaling_gainrank 303/3060.0000
Ordinal Partition › Ordinal Partition:statistical_complexityrank 3/3060.1037
Projective ℙ² › Projective ℙ²:mean_distancerank 5/3060.3646
Spectral Analysis › Spectral Analysis:spectral_r2rank 304/3060.0000
Spherical S² › Spherical S²:angular_spreadrank 2/3061.5708
Spherical S² › Spherical S²:hemisphere_balancerank 4/3060.9999
Spherical S² › Spherical S²:concentrationrank 305/3060.0001
Symplectic › Symplectic:windowed_area_cvrank 302/3060.0325
S² × ℝ (Thurston) › S² × ℝ (Thurston):sphere_concentrationrank 305/3060.0005
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