Search Results for author: David Siska

Found 3 papers, 1 papers with code

A Fisher-Rao gradient flow for entropy-regularised Markov decision processes in Polish spaces

no code implementations4 Oct 2023 Bekzhan Kerimkulov, James-Michael Leahy, David Siska, Lukasz Szpruch, Yufei Zhang

We study the global convergence of a Fisher-Rao policy gradient flow for infinite-horizon entropy-regularised Markov decision processes with Polish state and action space.

LEMMA

Mean-Field Langevin Dynamics and Energy Landscape of Neural Networks

no code implementations19 May 2019 Kaitong Hu, Zhenjie Ren, David Siska, Lukasz Szpruch

Our work is motivated by a desire to study the theoretical underpinning for the convergence of stochastic gradient type algorithms widely used for non-convex learning tasks such as training of neural networks.

Unbiased deep solvers for linear parametric PDEs

2 code implementations11 Oct 2018 Marc Sabate Vidales, David Siska, Lukasz Szpruch

We develop several deep learning algorithms for approximating families of parametric PDE solutions.

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