activity
20222025
most citedImproved analysis for a proximal algorithm for sampling

3 citations · 3 across the 8 of their papers we have counts for

collaborators

10 papers

math.OC2025

S-D-RSM: Stochastic Distributed Regularized Splitting Method for Large-Scale Convex Optimization Problems

Maoran Wang, Xingju Cai, Yongxin Chen

This paper investigates the problems large-scale distributed composite convex optimization, with motivations from a broad range of applications, including multi-agent systems, fede…

eess.SY2025

Multi-Level Multi-Fidelity Methods for Path Integral and Safe Control

Zhuoyuan Wang, Takashi Tanaka, Yongxin Chen +1

Sampling-based approaches are widely used in systems without analytic models to estimate risk or find optimal control. However, gathering sufficient data in such scenarios can be p…

eess.SY2025

Model Predictive Control with High-Probability Safety Guarantee for Nonlinear Stochastic Systems

Zishun Liu, Liqian Ma, Yongxin Chen

We present a model predictive control (MPC) framework for nonlinear stochastic systems that ensures safety guarantee with high probability. Unlike most existing stochastic MPC sche…

math.OC2025

Trajectory Optimization of Stochastic Systems under Chance Constraints via Set Erosion

Zishun Liu, Liqian Ma, Yongxin Chen

We study the trajectory optimization problem under chance constraints for continuous-time stochastic systems. To address chance constraints imposed on the entire stochastic traject…

eess.SY2025

Safety Verification of Nonlinear Stochastic Systems via Probabilistic Tube

Zishun Liu, Saber Jafarpour, Yongxin Chen

We address the problem of safety verification for nonlinear stochastic systems, specifically the task of certifying that system trajectories remain within a safe set with high prob…

math.PR2025

A New Proof of Sub-Gaussian Norm Concentration Inequality

Zishun Liu, Sam Power, Yongxin Chen

We present a new method for proving the norm concentration inequality of sub-Gaussian variables. Our proof is based on an averaged version of the moment generating function, termed…

cs.LO2025

Safety Verification of Stochastic Systems under Signal Temporal Logic Specifications

Liqian Ma, Zishun Liu, Hongzhe Yu +1

We study the verification problem of stochastic systems under signal temporal logic (STL) specifications. We propose a novel approach that enables the verification of the probabili…

eess.SY2024

Probabilistic Reachability of Discrete-Time Nonlinear Stochastic Systems

Zishun Liu, Saber Jafarpour, Yongxin Chen

In this paper we study the reachability problem for discrete-time nonlinear stochastic systems. Our goal is to present a unified framework for calculating the probabilistic reachab…

eess.SY2023

Data-Driven Adversarial Online Control for Unknown Linear Systems

Zishun Liu, Yongxin Chen

We consider the online control problem with an unknown linear dynamical system in the presence of adversarial perturbations and adversarial convex loss functions. Although the prob…

math.ST2022★ 3 cited

Improved analysis for a proximal algorithm for sampling

Yongxin Chen, Sinho Chewi, Adil Salim +1

We study the proximal sampler of Lee, Shen, and Tian (2021) and obtain new convergence guarantees under weaker assumptions than strong log-concavity: namely, our results hold for (…