Tighter reformulations using classical Dawson and Sankoff bounds for approximating two-stage chance-constrained programs
Journal Article
·
· Optimization Letters
- Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen (Germany). Discrete Mathematics
We extend and improve recent results given by Singh and Watson on using classical bounds on the union of sets in a chance-constrained optimization problem. Specifically, we revisit the so-called Dawson and Sankoff bound that provided one of the best approximations of a chance constraint in the previous analysis. Next, we show that our work is a generalization of the previous work, and in fact the inequality employed previously is a very relaxed approximation with assumptions that do not generally hold. Computational results demonstrate on average over a 43% improvement in the bounds. As a byproduct, we provide an exact reformulation of the floor function in optimization models.
- Research Organization:
- Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
- Sponsoring Organization:
- USDOE National Nuclear Security Administration (NNSA)
- Grant/Contract Number:
- AC04-94AL85000
- OSTI ID:
- 1634781
- Report Number(s):
- SAND--2019-9568J; 678512
- Journal Information:
- Optimization Letters, Journal Name: Optimization Letters Journal Issue: 2 Vol. 15; ISSN 1862-4472
- Publisher:
- Springer NatureCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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