Publications & Working Papers


Adaptive Decentralized Composite Optimization via Three-Operator Splitting


Xiaokai Chen, Ilya Kuruzov, Gesualdo Scutari

arXiv preprint arXiv:2602.17545, 2026


DCatalyst: A Unified Accelerated Framework for Decentralized Optimization


Tianyu Cao, Xiaokai Chen, Gesualdo Scutari

Journal of Machine Learning Research, vol. 27(47), 2026, pp. 1-57


Adaptive Stepsize Selection in Decentralized Convex Optimization


Ilya Kuruzov, Xiaokai Chen, Gesualdo Scutari, Alexander Gasnikov

arXiv preprint arXiv:2507.23725, 2025


A parameter-free decentralized algorithm for composite convex optimization


Xiaokai Chen, Ilya Kuruzov, Gesualdo Scutari, Alexander Gasnikov

2025 IEEE 64th Conference on Decision and Control (CDC), IEEE, 2025, pp. 1544--1551


Enhancing Convergence of Decentralized Gradient Tracking under the KL Property


Xiaokai Chen, Tianyu Cao, Gesualdo Scutari

arXiv preprint arXiv:2412.09556, 2024