Search Results for author: Vitalii Konarovskyi

Found 3 papers, 0 papers with code

Stochastic Modified Flows, Mean-Field Limits and Dynamics of Stochastic Gradient Descent

no code implementations14 Feb 2023 Benjamin Gess, Sebastian Kassing, Vitalii Konarovskyi

We propose new limiting dynamics for stochastic gradient descent in the small learning rate regime called stochastic modified flows.

Conservative SPDEs as fluctuating mean field limits of stochastic gradient descent

no code implementations12 Jul 2022 Benjamin Gess, Rishabh S. Gvalani, Vitalii Konarovskyi

The convergence of stochastic interacting particle systems in the mean-field limit to solutions of conservative stochastic partial differential equations is established, with optimal rate of convergence.

On Number of Particles in Coalescing-Fragmentating Wasserstein Dynamics

no code implementations22 Feb 2021 Vitalii Konarovskyi

The model is a modification of the Howitt-Warren flow but now the diffusion rate of particles is inversely proportional to the mass which they transfer.

Probability 60K35, 60H05, 60H05, 60G44

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