activity
20142026
most citedOpen-Loop and Closed-Loop Solvabilities for Stochastic Linear Quadratic Optimal Control Problems

10 citations · 39 across the 24 of their papers we have counts for

collaborators

26 papers

math.OC2026

Hautus-Type Criteria for Controllability and Stabilizability of Backward-Structured Stochastic Systems

Jingrui Sun

This paper develops sharp Hautus-type criteria, stochastic counterparts of the classical Popov-Belevitch-Hautus test, for exact controllability and stabilizability of backwardstruc…

math.OC2025

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.OC2024

Long-Time Behavior of Zero-Sum Linear-Quadratic Stochastic Differential Games

Jingrui Sun, Jiongmin Yong

The paper investigates the long-time behavior of zero-sum linear-quadratic stochastic differential games, aiming to demonstrate that, under appropriate conditions, both the saddle…

math.OC2022★ 1 cited

Turnpike Properties for Mean-Field Linear-Quadratic Optimal Control Problems

Jingrui Sun, Jiongmin Yong

This paper is concerned with an optimal control problem for a mean-field linear stochastic differential equation with a quadratic functional in the infinite time horizon. Under sui…

math.OC2022

General Indefinite Backward Stochastic Linear-Quadratic Optimal Control Problems

Jingrui Sun, Jiaqiang Wen, Jie Xiong

A general backward stochastic linear-quadratic optimal control problem is studied, in which both the state equation and the cost functional contain the nonhomogeneous terms. The ma…

math.OC2022★ 3 cited

Stochastic Linear-Quadratic Optimal Control with Partial Observation

Jingrui Sun, Jie Xiong

The paper studies a class of quadratic optimal control problems for partially observable linear dynamical systems. In contrast to the full information case, the control is required…

math.OC2022★ 2 cited

Turnpike Properties for Stochastic Linear-Quadratic Optimal Control Problems

Jingrui Sun, Hanxiao Wang, Jiongmin Yong

This paper analyzes the limiting behavior of stochastic linear-quadratic optimal control problems in finite time horizon as . The so-called turnpike pro…

math.OC2021

Zero-Sum Stackelberg Stochastic Linear-Quadratic Differential Games

Jingrui Sun, Hanxiao Wang, Jiaqiang Wen

The paper is concerned with a zero-sum Stackelberg stochastic linear-quadratic (LQ, for short) differential game over finite horizons. Under a fairly weak condition, the Stackelber…

math.OC2021★ 1 cited

Indefinite Backward Stochastic Linear-Quadratic Optimal Control Problems

Jingrui Sun, Zhen Wu, Jie Xiong

This paper is concerned with a backward stochastic linear-quadratic (LQ, for short) optimal control problem with deterministic coefficients. The weighting matrices are allowed to b…

math.OC2021

Mean-Field Linear-Quadratic Stochastic Differential Games

Jingrui Sun, Hanxiao Wang, Zhen Wu

The paper is concerned with two-person zero-sum mean-field linear-quadratic stochastic differential games over finite horizons. By a Hilbert space method, a necessary condition and…

math.OC2020

Two-Person Zero-Sum Stochastic Linear-Quadratic Differential Games

Jingrui Sun

The paper studies the open-loop saddle point and the open-loop lower and upper values, as well as their relationship for two-person zero-sum stochastic linear-quadratic (LQ, for sh…

math.OC2019★ 1 cited

Linear-Quadratic Optimal Control for Backward Stochastic Differential Equations with Random Coefficients

Jingrui Sun, Hanxiao Wang

This paper is concerned with a linear-quadratic (LQ, for short) optimal control problem for backward stochastic differential equations (BSDEs, for short), where the coefficients of…

math.OC2019★ 2 cited

Mean-Field Stochastic Linear-Quadratic Optimal Control Problems: Weak Closed-Loop Solvability

Jingrui Sun, Hanxiao Wang

This paper is concerned with mean-field stochastic linear-quadratic (MF-SLQ, for short) optimal control problems with deterministic coefficients. The notion of weak closed-loop opt…

math.OC2019★ 1 cited

Optimal Control for Controllable Stochastic Linear Systems

Xiuchun Bi, Jingrui Sun, Jie Xiong

This paper is concerned with a constrained stochastic linear-quadratic optimal control problem, in which the terminal state is fixed and the initial state is constrained to lie in…

math.PR2018★ 3 cited

Recursive Utility Processes, Dynamic Risk Measures and Quadratic Backward Stochastic Volterra Integral Equations

Hanxiao Wang, Jingrui Sun, Jiongmin Yong

For an $\cF_T$-measurable payoff of a European type contingent claim, the recursive utility process/dynamic risk measure can be described by the adapted solution to a backward stoc…

math.OC2018★ 6 cited

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

Jingrui Sun, Jie Xiong, Jiongmin Yong

This paper is concerned with a stochastic linear-quadratic optimal control problem in a finite time horizon, where the coefficients of the control system are allowed to be random,…

math.OC2018

Weak Closed-Loop Solvability of Stochastic Linear-Quadratic Optimal Control Problems

Jingrui Sun, Hanxiao Wang, Jiongmin Yong

Recently it has been found that for a stochastic linear-quadratic optimal control problem (LQ problem, for short) in a finite horizon, open-loop solvability is strictly weaker than…

math.OC2017

Linear Quadratic Optimal Control Problems with Fixed Terminal States and Integral Quadratic Constraints

Jingrui Sun

This paper is concerned with a linear quadratic (LQ, for short) optimal control problem with fixed terminal states and integral quadratic constraints. A Riccati equation with infin…

math.OC2016

Stochastic Linear Quadratic Optimal Control Problems in Infinite Horizon

Jingrui Sun, Jiongmin Yong

This paper is concerned with stochastic linear quadratic (LQ, for short) optimal control problems in an infinite horizon with constant coefficients. It is proved that the non-empti…

math.OC2016★ 2 cited

Linear Quadratic Optimal Control Problems for Mean-Field Backward Stochastic Differential Equations

Xun Li, Jingrui Sun, Jie Xiong

This paper is concerned with linear quadratic optimal control problems for mean-field backward stochastic differential equations (MF-BSDEs, for short) with deterministic coefficien…

math.OC2016★ 1 cited

Linear Quadratic Stochastic Two-Person Nonzero-Sum Differential Games: Open-Loop and Closed-Loop Nash Equilibria

Jingrui Sun, Jiongmin Yong

In this paper, we consider a linear quadratic stochastic two-person nonzero-sum differential game. Open-loop and closed-loop Nash equilibria are introduced. The existence of the fo…

math.OC2016★ 4 cited

Mean-Field Stochastic Linear Quadratic Optimal Control Problems: Closed-Loop Solvability

Xun Li, Jingrui Sun, Jiongmin Yong

An optimal control problem is studied for a linear mean-field stochastic differential equation with a quadratic cost functional. The coefficients and the weighting matrices in the…

math.OC2015★ 2 cited

Mean-Field Stochastic Linear Quadratic Optimal Control Problems: Open-Loop Solvabilities

Jingrui Sun

This paper is concerned with a mean-field linear quadratic (LQ, for short) optimal control problem with deterministic coefficients. It is shown that convexity of the cost functiona…

math.OC2015★ 10 cited

Open-Loop and Closed-Loop Solvabilities for Stochastic Linear Quadratic Optimal Control Problems

Jingrui Sun, Xun Li, Jiongmin Yong

This paper is concerned with a stochastic linear quadratic (LQ, for short) optimal control problem. The notions of open-loop and closed-loop solvabilities are introduced. A simple…