Abstract
Each are (i, j) of the network has capacity ξ ij where ξ ij is a non-negative random variable. The capacity of any arc may be reduced increased by an amountu ij ≥0 at a cost ofc ij u ij . The objective is to maximizev−K∑c ij u ij wherev is the expected maximum flow. This problem is formulated as a two-stage linear program under uncertainty. Each feasible\(\bar u = ||\bar u_{ij} ||\) generates a constraint\( - \Sigma \pi _{ij} (\bar u)u_{ij} + \theta \leqslant \rho (\bar u)\) where\(\pi _{ij} (\bar u)\) is the probability arc (i, j) is in the minimum cut set and\(\rho (\bar u)\) the expected value of the maximum flow under\(u = (\bar u)\). The formulation is later generalized to include certain conditions under which the increase in capacity of an arc may be a non-deterministic function of the investmentc ij u ij .
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Wollmer, R.D. Investments in stochastic maximum flow networks. Ann Oper Res 31, 457–467 (1991). https://doi.org/10.1007/BF02204863
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DOI: https://doi.org/10.1007/BF02204863