Search Results for author: Zhenjie Ren

Found 6 papers, 0 papers with code

Mean Field Optimization Problem Regularized by Fisher Information

no code implementations12 Feb 2023 Julien Claisse, Giovanni Conforti, Zhenjie Ren, SongBo Wang

In this paper by adding the Fisher Information as the regularizer, we relate the regularized mean field optimization problem to a so-called mean field Schrodinger dynamics.

Uniform-in-time propagation of chaos for mean field Langevin dynamics

no code implementations6 Dec 2022 Fan Chen, Zhenjie Ren, SongBo Wang

We study the mean field Langevin dynamics and the associated particle system.

Ergodicity of the underdamped mean-field Langevin dynamics

no code implementations29 Jul 2020 Anna Kazeykina, Zhenjie Ren, Xiaolu Tan, Junjian Yang

The results on the MFL equation can be applied to study the convergence of the Hamiltonian gradient descent algorithm for the overparametrized optimization.

Game on Random Environment, Mean-field Langevin System and Neural Networks

no code implementations6 Apr 2020 Giovanni Conforti, Anna Kazeykina, Zhenjie Ren

As applications, the dynamic games can be treated as games on a random environment when one treats the time horizon as the environment.

Mean-field Langevin System, Optimal Control and Deep Neural Networks

no code implementations16 Sep 2019 Kaitong Hu, Anna Kazeykina, Zhenjie Ren

We introduce a system of mean-field Langevin equations, the invariant measure of which is shown to be the optimal control of the initial problem under mild conditions.

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.

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