3 papers
math.OC2024
Inpatient Overflow Management with Proximal Policy Optimization
Jingjing Sun, Jim Dai, Pengyi Shi
Problem Definition: Managing inpatient flow in large hospital systems is challenging due to the complexity of assigning randomly arriving patients -- either waiting for primary uni…
math.OC2022
Stochastic absolute value equations
Shouqiang Du, Jingjing Sun, Shengqun Niu +1
We propose a new kind of stochastic absolute value equations involving absolute values of variables. By utilizing an equivalence relation to stochastic bilinear program, we investi…
cs.LG2021
A High-fidelity, Machine-learning Enhanced Queueing Network Simulation Model for Hospital Ultrasound Operations
Yihan Pan, Zhenghang Xu, Jin Guang +10
We collaborate with a large teaching hospital in Shenzhen, China and build a high-fidelity simulation model for its ultrasound center to predict key performance metrics, including…