The Mixup Euler Characteristic Profile detects regime transitions via Euler characteristics of geometric intersections in delay-embedded trajectories, achieving 9.50 days MAE on Indian monsoon onset with 32% improvement over rolling mean baseline.
Interpretable classification of time series using euler characteristic surfaces.arXiv preprint arXiv:2603.15079
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Detecting Regime Transitions in Dynamical Systems via the Mixup Euler Characteristic Profile
The Mixup Euler Characteristic Profile detects regime transitions via Euler characteristics of geometric intersections in delay-embedded trajectories, achieving 9.50 days MAE on Indian monsoon onset with 32% improvement over rolling mean baseline.