Author

Ruiwei Jiang

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Preprint Sep 2026

Soft Separation for Adaptive Robust Optimization

We propose an algorithmic framework for solving adaptive robust optimization with provable guarantees on both tractability and solution accuracy. The framework introduces soft separation, a probabilistic mechanism for identifying worst-case uncertainty realizations via a time-inhomogeneous Markov chain. Rather than sol...

Qing-Yuan Xu, Rui-Wei Jiang · 0 citations

Open access Jul 2026

An optimization-embedded simulation approach for quantifying the operational impacts of right-sizing prenatal care

A discrete-event simulation model is proposed, which captures patient-related heterogeneity, with a mixed-integer linear programming model embedded within it, to schedule patients on a weekly basis, and suggests that tailoring care significantly reduces delays, rescheduling, and overbooking.

Leena Ghrayeb, A. Cohn, Ruiwei Jiang et al. · Health Care Management Scien... · 0 citations