3 papers
math.OC2026
Decentralized Stochastic Nonconvex Optimization under the -Smoothness
Luo Luo, Xue Cui, Tingkai Jia +1
This paper focuses on the decentralized stochastic optimization problem over a connected network of agents, where each l…
cs.LG2026
Fully First-Order Algorithms for Online Bilevel Optimization
Tingkai Jia, Cheng Chen
In this work, we study nonconvex-strongly convex online bilevel optimization (OBO) using only first-order oracle. Existing OBO algorithms are mainly based on hypergradient descent,…
cs.LG2026
Achieving Better Local Regret Bound for Online Non-Convex Bilevel Optimization
Tingkai Jia, Haiguang Wang, Cheng Chen
Online bilevel optimization (OBO) has emerged as a powerful framework for many machine learning problems. Prior works have developed several algorithms that minimize the standard b…