Pure sinusoid --- perfectly periodic, single-frequency, minimal complexity. The baseline for all oscillatory comparisons
Standard analysis sees: bounded / light-tailed; smooth / autocorrelated; long-range memory (persistent); strongly periodic; low-complexity (predictable, not noise-like); volatility-clustering (bursty); low-dimensional. The atlas finds no named structure, but the source is distinctively extreme on Nonstationarity:dynamic_coupling (+2.5z) — beyond what the standard bank predicts for it.
Nonstationarity:dynamic_coupling | +2.5z | bank-miss 2.7σ |
Nonstationarity:trajectory_dim | -2.1z | bank-miss 2.7σ |








_(centered)/signed_log_z/Sine_Wave.png)
_(centered)/xy_path/Sine_Wave.png)

/barcode/Sine_Wave.png)
/d_curve/Sine_Wave.png)








/phi_spectrum/Sine_Wave.png)










/default/Sine_Wave.png)
/default/Sine_Wave.png)


| Nearest neighbor | Distance | |
|---|---|---|
| Damped Pendulum | 2.56 | cross-domain |
| Period-Doubled Wave | 2.77 | |
| Duffing Oscillator | 3.17 | cross-domain |
Attractor Reconstruction › Attractor Reconstruction:d2_saturation | rank 5/298 | 0.9958 |
Catch24 › Catch24:FC_LocalSimple_mean1_tauresrat | rank 3/298 | 1.0003 |
Catch24 › Catch24:CO_Embed2_Dist_tau_d_expfit_meandiff | rank 298/298 | 0.0000 |
Chladni › Chladni:captured_power_fraction | rank 298/298 | 0.0001 |
Gottwald-Melbourne › Gottwald-Melbourne:radial_spectral_structure | rank 5/298 | 0.9996 |
Hodge–Laplacian › Hodge–Laplacian:curl_div_ratio | rank 1/298 | 7.0095 |
Hodge–Laplacian › Hodge–Laplacian:solenoidal_fraction | rank 1/298 | 0.9989 |
H² × ℝ (Thurston) › H² × ℝ (Thurston):hyperbolic_variance | rank 5/298 | 3.3126 |
Hölder Regularity › Hölder Regularity:hurst_exponent | rank 3/298 | 0.9334 |
Hölder Regularity › Hölder Regularity:increment_autocorrelation | rank 3/298 | 0.9995 |
Laplacian › Laplacian:cross_scale_curvature_coherence | rank 2/298 | 0.9995 |
Laplacian › Laplacian:curvature_autocorrelation | rank 2/298 | 0.9995 |
Laplacian › Laplacian:biharmonic_ratio | rank 298/298 | 0.0000 |
Multifractal Spectrum › Multifractal Spectrum:hurst_estimate | rank 3/298 | 0.9177 |
Navier-Stokes › Navier-Stokes:intermittency_autocorr | rank 3/298 | 0.9996 |
Navier-Stokes › Navier-Stokes:sl_fit_quality | rank 298/298 | -1.0000 |
Nonstationarity › Nonstationarity:dynamic_coupling | rank 5/298 | 6.7164 |
Spectral Analysis › Spectral Analysis:phase_coherence | rank 3/298 | 0.9812 |
Spectral Analysis › Spectral Analysis:spectral_r2 | rank 5/298 | 0.9594 |
Symplectic › Symplectic:flux_sign_persistence | rank 4/298 | 288.8150 |
Visibility Graph › Visibility Graph:degree_exponent_gamma | rank 294/298 | 0.3237 |
Wavelet Cascade › Wavelet Cascade:scale_gini_dispersion | rank 294/298 | 0.0078 |
p-Variation › p-Variation:increment_persistence | rank 2/298 | 0.9999 |
p-Variation › p-Variation:volatility_clustering | rank 3/298 | 0.9996 |