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cs.LG2026
Learning hidden-state dynamics from unpaired snapshots with lift-project SDEs
Qi Wang, Uduak George, Gustaaf Jacobs
Many systems are observed only through unpaired snapshots, with population samples available at each time point but no correspondence between samples at different times. These snap…
physics.flu-dyn2026
Neural-Network and Reduced-order Modeling Workflows for AI-Driven CFD: Fast Response Surfaces, Reduced Dynamics and Jet in Cross-flow Examples
Kaku E. Eduku, Pavel P. Popov, Gustaaf Jacobs
Highly resolved computational fluid dynamics (CFD) simulations are essential for design but too expensive for dense design-space sampling. This chapter presents an AI-driven CFD wo…
math.OC2026
Characteristic Sensitivity Ensembles for Inference of Hidden Dynamics from Marginal Observations
Qi Wang, Gustaaf Jacobs
A framework is developed for the inference of dynamics described by a generalized system of ordinary differential equations. A stochastic gradient method is coined that infers dyna…