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Optimal Online Contention Resolution Schemes via Ex-Ante Prophet Inequalities
[article]
2018
arXiv
pre-print
Online contention resolution schemes (OCRSs) were proposed by Feldman, Svensson, and Zenklusen as a generic technique to round a fractional solution in the matroid polytope in an online fashion. It has found applications in several stochastic combinatorial problems where there is a commitment constraint: on seeing the value of a stochastic element, the algorithm has to immediately and irrevocably decide whether to select it while always maintaining an independent set in the matroid. Although
arXiv:1806.09251v1
fatcat:q3k3lx6e6fevtlfyqxszuczjnq