Search Results for author: Soomin Lee

Found 9 papers, 0 papers with code

PersA-FL: Personalized Asynchronous Federated Learning

no code implementations3 Oct 2022 Mohammad Taha Toghani, Soomin Lee, César A. Uribe

Our main technical contribution is a unified proof for asynchronous federated learning with bounded staleness that we apply to MAML and ME personalization frameworks.

Meta-Learning Personalized Federated Learning

A Dual Approach for Optimal Algorithms in Distributed Optimization over Networks

no code implementations3 Sep 2018 César A. Uribe, Soomin Lee, Alexander Gasnikov, Angelia Nedić

Then, we study distributed optimization algorithms for non-dual friendly functions, as well as a method to improve the dependency on the parameters of the functions involved.

Distributed Optimization

Optimal Algorithms for Distributed Optimization

no code implementations1 Dec 2017 César A. Uribe, Soomin Lee, Alexander Gasnikov, Angelia Nedić

In this paper, we study the optimal convergence rate for distributed convex optimization problems in networks.

Distributed Optimization

Communication-Efficient Algorithms for Decentralized and Stochastic Optimization

no code implementations14 Jan 2017 Guanghui Lan, Soomin Lee, Yi Zhou

Our major contribution is to present a new class of decentralized primal-dual type algorithms, namely the decentralized communication sliding (DCS) methods, which can skip the inter-node communications while agents solve the primal subproblems iteratively through linearizations of their local objective functions.

Stochastic Optimization

Coordinate Dual Averaging for Decentralized Online Optimization with Nonseparable Global Objectives

no code implementations31 Aug 2015 Soomin Lee, Angelia Nedić, Maxim Raginsky

In ODA-C, to mitigate the disagreements on the primal-vector updates, the agents implement a generalization of the local information-exchange dynamics recently proposed by Li and Marden over a static undirected graph.

On Stochastic Subgradient Mirror-Descent Algorithm with Weighted Averaging

no code implementations7 Jul 2013 Angelia Nedich, Soomin Lee

This paper considers stochastic subgradient mirror-descent method for solving constrained convex minimization problems.

Optimization and Control Systems and Control

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