Queuing dynamics of asynchronous Federated Learning

L Leconte, M Jonckheere… - International …, 2024 - proceedings.mlr.press
We study asynchronous federated learning mechanisms with nodes having potentially
different computational speeds. In such an environment, each node is allowed to work on …

Decentralized optimization over slowly time-varying graphs: Algorithms and lower bounds

D Metelev, A Beznosikov, A Rogozin… - Computational …, 2024 - Springer
We consider a decentralized convex unconstrained optimization problem, where the cost
function can be decomposed into a sum of strongly convex and smooth functions …

Order-optimal global convergence for average reward reinforcement learning via actor-critic approach

S Ganesh, WU Mondal, V Aggarwal - arxiv preprint arxiv:2407.18878, 2024 - arxiv.org
This work analyzes average-reward reinforcement learning with general parametrization.
Current state-of-the-art (SOTA) guarantees for this problem are either suboptimal or demand …

Non-asymptotic analysis of biased adaptive stochastic approximation

S Surendran, A Fermanian… - Advances in …, 2025 - proceedings.neurips.cc
Abstract Stochastic Gradient Descent (SGD) with adaptive steps is widely used to train deep
neural networks and generative models. Most theoretical results assume that it is possible to …

Dynamic byzantine-robust learning: Adapting to switching byzantine workers

R Dorfman, N Yehya, KY Levy - arxiv preprint arxiv:2402.02951, 2024 - arxiv.org
Byzantine-robust learning has emerged as a prominent fault-tolerant distributed machine
learning framework. However, most techniques focus on the static setting, wherein the …

On some works of Boris Teodorovich Polyak on the convergence of gradient methods and their development

SS Ablaev, AN Beznosikov, AV Gasnikov… - Computational …, 2024 - Springer
The paper presents a review of the current state of subgradient and accelerated convex
optimization methods, including the cases with the presence of noise and access to various …

Methods for Optimization Problems with Markovian Stochasticity and Non-Euclidean Geometry

V Solodkin, A Veprikov, A Beznosikov - arxiv preprint arxiv:2408.01848, 2024 - arxiv.org
This paper examines a variety of classical optimization problems, including well-known
minimization tasks and more general variational inequalities. We consider a stochastic …

Debiasing Federated Learning with Correlated Client Participation

Z Sun, Z Zhang, Z Xu, G Joshi, P Sharma… - arxiv preprint arxiv …, 2024 - arxiv.org
In cross-device federated learning (FL) with millions of mobile clients, only a small subset of
clients participate in training in every communication round, and Federated Averaging …

Effective Method with Compression for Distributed and Federated Cocoercive Variational Inequalities

D Medyakov, G Molodtsov, A Beznosikov - arxiv preprint arxiv …, 2024 - arxiv.org
Variational inequalities as an effective tool for solving applied problems, including machine
learning tasks, have been attracting more and more attention from researchers in recent …

Methods for Solving Variational Inequalities with Markovian Stochasticity

V Solodkin, M Ermoshin, R Gavrilenko… - arxiv preprint arxiv …, 2024 - arxiv.org
In this paper, we present a novel stochastic method for solving variational inequalities (VI) in
the context of Markovian noise. By leveraging Extragradient technique, we can productively …