collaborators

7 papers

math.OC2026

Preconditioned Proximal Gradient Methods with Conjugate Momentum: A Subspace Perspective

Jian Chen, Xinmin Yang

In this paper, we propose a descent method for composite optimization problems with linear operators. Specifically, we first design a structure-exploiting preconditioner tailored t…

math.OC2026

Second-order Methods for Multiobjective Composite Optimization: Preconditioning Strategies, Subspace Variants and Inexact Solutions

Jian Chen, Xinmin Yang

Multiobjective composite optimization problems arise in sparse regularization, constrained multiobjective models, and multi-task learning, but their numerical solution remains chal…

math.OC2026

Level proximal subdifferential, variational convexity, and pointwise quadratic approximation

Honglin Luo, Xianfu Wang, Ziyuan Wang +1

Level proximal subdifferential was introduced by Rockafellar recently for studying proximal mappings of possibly nonconvex functions. In this paper a systematic study of level prox…

math.OC2026

First-order Methods for Unconstrained Vector Optimization Problems: A Unified Majorization-Minimization Perspective

Jian Chen, Jingjie Liu, Liping Tang +1

In this paper, we develop a unified majorization-minimization scheme and convergence analysis with first-order surrogate functions for unconstrained vector optimization problems (V…

math.OC2025

Barzilai-Borwein Diagonal Quasi-Newton Method for Nonconvex Multiobjective Optimization Problems

Hua Liu, Zhuoxin Fan, Liping Tang +1

This paper addresses the challenge of developing efficient algorithms for large-scale nonconvex multiobjective optimization problems (MOPs). While quasi-Newton methods are effectiv…

math.OC2025

An accelerated primal-dual flow for linearly constrained multiobjective optimization

Hao Luo, Qiaoyuan Shu, Xinmin Yang

In this paper, we propose a continuous-time primal-dual approach for linearly constrained multiobjective optimization problems. A novel dynamical model, called accelerated multiobj…