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multivariate analysis 1non-normal dynamics 1signal processing 1time series inference 1transient amplification 1

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physics.data-an2026

Inferring Non-Normal Amplification Geometry from Multivariate Time Series

V. R. Saiprasad, V. Troude, D. Sornette

The paper introduces a data‑driven technique to infer the geometry of non‑normal transient amplification from multivariate time series by estimating a local linear operator and ext…