Polyphonic Stationarity Publication

**Title:** Polyphonic Stationarity: Detecting Regime Shifts in Financial Time Series via Frequency Decomposition, Synthetic Drift Generation, and Lucid Judgment **Date:** April.

publication research stationarity regime-detection heuristic-algebra
achievement Updated 2026-04-10

Polyphonic Stationarity Publication

Title: Polyphonic Stationarity: Detecting Regime Shifts in Financial Time Series via Frequency Decomposition, Synthetic Drift Generation, and Lucid Judgment Date: April 2026

FFT decomposition into 4 harmonic voices. Polyphonic Drift Score (PDS). Synthetic data generation (SDG1–SDG5). Three convergent falsifications of predictability (orbital, tuning, spiderweb). 5-asset FIIJ panel test with 100x null shuffles.

Central finding: stationarity breaks are not forecastable but are reliably detectable after the fact. Second paper applying heuristic-algebra and lucid-judgment to a research program.

See Also