Critical Circle Map (Silver Mean)

iterated-maps · 37 views
iterated-mapsquasiperiodic

What It Is

Sine circle map at K=1 critical coupling tuned to the silver-mean winding number sqrt(2)-1 (continued fraction [0;2,2,2,...]) --- a renormalization fixed point distinct from the golden mean's, with its own universal critical-scaling constants

Interpretation

Standard analysis sees: anti-correlated (alternating); anti-persistent; blue spectrum (high-frequency power); time-irreversible (slow rise, sharp collapse); homoskedastic; monofractal; low-dimensional; stationary. The atlas additionally detects Time Reversibility:ordinal_reversal_distance. It sits beside Critical Circle Map in the atlas (standard-bank rank 31) — a neighbor conventional features miss.

What standard analysis sees
tail heaviness0.38
asymmetry0.60
occupancy0.64
short-range corr0.08
long-range memory0.09
spectral colour0.89
periodicity0.80
complexity0.20
time-irreversibility0.10
volatility clustering0.00
multifractality0.04
dimensionality0.15
nonstationarity0.07
What the atlas adds
Time Reversibility:ordinal_reversal_distance+3.1z
time-reversal symmetry breaking via Bandt-Pompe ordinal patterns
Atlas-extreme metrics the standard bank can’t predict for this source
Boltzmann:dominant_lag+3.9zbank-miss 1.2σ
Spirograph:petal_symmetry+3.0zbank-miss 1.2σ
Laplacian:laplacian_evolutionary_index-3.0zbank-miss 1.9σ
Laplacian:curvature_autocorrelation-2.6zbank-miss 1.6σ
Hölder Regularity:holder_mean-2.5zbank-miss 1.3σ
p-Variation:volatility_clustering-2.5zbank-miss 2.2σ
Laplacian:cross_scale_curvature_coherence-2.4zbank-miss 1.4σ

Composition

dtypefloat64
range[0.005706, 0.9963]
unique values16384 / 16384
mean ± std0.499 ± 0.229

Render Gallery

Atlas Position

Nearest neighborDistance
Critical Circle Map (Bronze Mean)3.33
Critical Circle Map3.34
Standard Map K=0.5 (Mixed)4.12

Open in Atlas →

Which Geometries Light Up

Boltzmann › Boltzmann:dominant_lagrank 3/306991.0000
Hodge–Laplacian › Hodge–Laplacian:curl_div_ratiorank 302/306-0.7636
Laplacian › Laplacian:laplacian_evolutionary_indexrank 302/306-0.2637
Laplacian › Laplacian:cross_scale_curvature_coherencerank 306/306-0.6081
Modular Residue › Modular Residue:cycle_fractionrank 5/3060.9828
Nonstationarity › Nonstationarity:vol_of_volrank 302/3060.3188
Projective ℙ² › Projective ℙ²:cross_ratio_stdrank 4/30641.0035
p-Variation › p-Variation:volatility_clusteringrank 303/306-0.5992
in iterated-maps
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