activity
20172023
most citedBilevel Optimization: Convergence Analysis and Enhanced Design

32 citations · 226 across the 30 of their papers we have counts for

collaborators

30 papers

math.OC2023

Non-Convex Bilevel Optimization with Time-Varying Objective Functions

Sen Lin, Daouda Sow, Kaiyi Ji +2

Bilevel optimization has become a powerful tool in a wide variety of machine learning problems. However, the current nonconvex bilevel optimization considers an offline dataset and…

cs.LG2023★ 4 cited

SimFBO: Towards Simple, Flexible and Communication-efficient Federated Bilevel Learning

Yifan Yang, Peiyao Xiao, Kaiyi Ji

Federated bilevel optimization (FBO) has shown great potential recently in machine learning and edge computing due to the emerging nested optimization structure in meta-learning, f…

cs.LG2023★ 2 cited

Direction-oriented Multi-objective Learning: Simple and Provable Stochastic Algorithms

Peiyao Xiao, Hao Ban, Kaiyi Ji

Multi-objective optimization (MOO) has become an influential framework in many machine learning problems with multiple objectives such as learning with multiple criteria and multi-…

cs.LG2023★ 1 cited

Achieving Linear Speedup in Non-IID Federated Bilevel Learning

Minhui Huang, Dewei Zhang, Kaiyi Ji

Federated bilevel optimization has received increasing attention in various emerging machine learning and communication applications. Recently, several Hessian-vector-based algorit…

cs.LG2023

Communication-Efficient Federated Hypergradient Computation via Aggregated Iterative Differentiation

Peiyao Xiao, Kaiyi Ji

Federated bilevel optimization has attracted increasing attention due to emerging machine learning and communication applications. The biggest challenge lies in computing the gradi…

cs.LG2023

Network Utility Maximization with Unknown Utility Functions: A Distributed, Data-Driven Bilevel Optimization Approach

Kaiyi Ji, Lei Ying

Fair resource allocation is one of the most important topics in communication networks. Existing solutions almost exclusively assume each user utility function is known and concave…