collaborators

6 papers

math.OC2026

A Stochastic Maximum Principle for Partially Observed Jump-Diffusion Systems with State-Dependent Counting-Process Observations

Jie Xiong, Ying Yang

This paper studies a partially observed stochastic control problem for jump-diffusion state processes observed through multivariate counting processes with state-dependent intensit…

math.OC2026

Stochastic Mean-Field LQ Stackelberg Differential Games with Random Coefficients: Theory and a Deep FBSDE Picard Solver

Ying Yang, Jie Xiong, Zhouyu Wang

This paper studies a stochastic mean-field linear-quadratic Stackelberg differential game with random coefficients. The interaction between mean-field terms and random coefficients…

math.OC2026

Indefinite Stochastic Linear-Quadratic Optimal Control Problems with Random Coefficients and Poisson Jumps: Closed-Loop Representation of Open-Loop Optimal Controls

Kai Ding, Jiaqiang Wen, Jie Xiong +1

This paper is concerned with stochastic linear-quadratic (SLQ) optimal control problems with random coefficients and Poisson jumps. The weighting matrices are allowed to be random…

math.OC2026

Near optimal controls for partially observed stochastic linear quadratic problems

Jingrui Sun, Jiaqiang Wen, Jie Xiong +1

In this article, we consider a stochastic linear quadratic control problem with partial observation. A near optimal control in the weak formulation is characterized. The main featu…

math.OC2025

Robust optimal stopping with regime switching

Siyu Lv, Zhen Wu, Jie Xiong +1

In this paper, we study an optimal stopping problem in the presence of model uncertainty and regime switching. The max-min formulation for robust control and the dynamic programmin…

math.OC2025

Maximum Principle of Stochastic Optimal Control Problems with Model Uncertainty

Tao Hao, Jiaqiang Wen, Jie Xiong

This paper is concerned with the maximum principle of stochastic optimal control problems, where the coefficients of the state equation and the cost functional are uncertain, and t…