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PAC-Bayesian Reconstruction Guarantees for Time Series Variational Autoencoders

arXiv · AI, language, vision and robotics · article · Sep 4, 2026 · UTC

Forecasting time series accurately is critical for applications with complex data ranging from energy systems to healthcare and finance. Among current state of the art models, generative latent variable models are increasingly implemented; yet principled generalisation guarantees for modern latent variable models remain limited. In particular, while Variational AutoEncoders are widely used for sequential data, their theoretical analysis is largely restricted to i.i.d. settings. In this work, we develop a PAC-Bayesian framework for latent variables models applied to time series. Building on rec

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