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cs.LG2026
Correct then Forecast: Observer State-Space Models for Time Series Forecasting
Alexis-Raja Brachet, Guillaume Clavier--Frémond, Abdelhakim Ziani +2
Time series forecasting requires extrapolating the dynamics of an observed process beyond the last available measurement. Yet recurrent forecasting models typically treat observati…
cs.LG2026
Phase-Type Variational Autoencoders for Heavy-Tailed Data
Abdelhakim Ziani, András Horváth, Paolo Ballarini
Heavy-tailed distributions are ubiquitous in real-world data, where rare but extreme events dominate risk and variability. However, standard Variational Autoencoders (VAEs) employ…