The Informational Harmonic Mode Decay Law states that under Laplacian smoothing, all non-constant Fourier harmonic modes in an informational field decay monotonically over time. This drives the system toward a stable, low-frequency state.
Higher-frequency harmonics collapse first — leaving only foundational structure.
This law appears in high-order diffusion processes, PDE smoothing, Fourier-mode stabilization, and informational geometry.
Based on the uploaded source file:
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Modes tracked: k = 1, 2, 4, 8 Each iteration: A ← A + α ΔA F = rFFT(A) Record |F[k]| for each mode Result: All non-constant harmonic modes strictly decrease over time.
Numerical results reveal a smooth, consistent collapse of harmonic amplitudes, confirming the law.
Mode decay is proportional to the Laplacian eigenvalue spectrum:
Aₖ(t) = Aₖ(0) · exp(−α k² t)
This creates an exponential collapse curve for each harmonic.
Laplacian smoothing corresponds to multiplication by the heat kernel in Fourier space, explaining exponential mode decay.
As higher modes vanish, the field becomes increasingly stable under perturbation.
Large-scale structures persist; small-scale oscillations vanish — enabling multi-resolution analysis of smoothness.
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