Journal
OPERATIONS RESEARCH
Volume -, Issue -, Pages -Publisher
INFORMS
DOI: 10.1287/opre.2022.2330
Keywords
distributionally robust optimization; ambiguous chance constraints; Wasserstein distance
Funding
- Hong Kong Research Grants Council [CityU 21502820]
- Swiss National Science Foundation [BSCGI0_157733]
- Engineering and Physical Sciences Research Council [EP/N020030/1]
- Swiss National Science Foundation (SNF) [BSCGI0_157733] Funding Source: Swiss National Science Foundation (SNF)
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This research provides an exact deterministic reformulation for data-driven, chance-constrained programs over Wasserstein balls. The reformulation converts the problem into a mixed-integer conic program or a mixed-integer linear program, depending on the specific case. Numerical experiments show that this reformulation outperforms several state-of-the-art data-driven optimization schemes.
We provide an exact deterministic reformulation for data-driven, chanceconstrained programs over Wasserstein balls. For individual chance constraints as well as joint chance constraints with right-hand-side uncertainty, our reformulation amounts to a mixed-integer conic program. In the special case of a Wasserstein ball with the 1-norm or the ???-norm, the cone is the nonnegative orthant, and the chance-constrained program can be reformulated as a mixed-integer linear program. Our reformulation compares favorably to several state-of-the-art data-driven optimization schemes in our numerical experiments.
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