Two-Stage Distributionally Robust Conic Linear Programming over 1-Wasserstein Balls
Journal Article
·
· SIAM Journal on Optimization
- Arizona State Univ., Tempe, AZ (United States)
- Argonne National Laboratory (ANL), Argonne, IL (United States)
Here, this paper studies two-stage distributionally robust conic linear programming under constraint uncertainty over type-1 Wasserstein balls. We present optimality conditions for the dual of the worst-case expectation problem, which characterizes worst-case uncertain parameters for its inner maximization problem. This condition offers an alternative proof, a counterexample, and an extension to previous works. Additionally, the condition highlights the potential advantage of a specific distance metric for out-of-sample performance, as exemplified in a numerical study on a facility location problem with demand uncertainty. Furthermore, cutting-plane-based algorithms, equipped with a unified scenario generation framework, are proposed for addressing both unbounded support and second-stage dual feasible regions, with a finite convergence proof under less stringent assumptions.
- Research Organization:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Advanced Scientific Computing Research (ASCR)
- Grant/Contract Number:
- AC02-06CH11357
- OSTI ID:
- 3000967
- Journal Information:
- SIAM Journal on Optimization, Journal Name: SIAM Journal on Optimization Journal Issue: 1 Vol. 35; ISSN 1095-7189; ISSN 1052-6234
- Publisher:
- Society for Industrial and Applied Mathematics (SIAM)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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