3 papers
math.NA2025
An Explicit Euler-type Scheme for Lévy-driven SDEs with Superlinear and Time-Irregular Coefficients
Sani Biswas, Joaquin Fontbona
This paper introduces a randomized tamed Euler scheme tailored for Lévy-driven stochastic differential equations (SDEs) with superlinear random coefficients and Carathéodory-type…
stat.ML2025
Symmetries in Overparametrized Neural Networks: A Mean-Field View
Javier Maass, Joaquin Fontbona
We develop a Mean-Field (MF) view of the learning dynamics of overparametrized Artificial Neural Networks (NN) under data symmetric in law wrt the action of a general compact group…
cs.CV2025
Towards SFW sampling for diffusion models via external conditioning
Camilo Carvajal Reyes, JoaquÃn Fontbona, Felipe Tobar
Score-based generative models (SBM), also known as diffusion models, are the de facto state of the art for image synthesis. Despite their unparalleled performance, SBMs have recent…