Stochastic bounds on distributions of optimal value functions with applications to pert,network flows and reliability |
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Authors: | Gideon Weiss |
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Institution: | (1) Department of Statistics, Tel Aviv University, 69978 Tel Aviv, Israel |
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Abstract: | In various network models the quantities of interest are optimal value functions of the form max X
i
, min X
i
, min maxX
i
, max minX
i
, where the inner operation is on the nodes of a path/cut and the outer operation on all paths/cuts, e.g. shortest path of a project network, maximal flow of a flow network or lifetime of a reliability system. ForX
i
random with given marginal distributions, we obtain bounds for the optimal value functions, based on common and on antithetic joint distributions.This work was carried out during a visit to RWTH Aachen, supported by DAAD. |
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Keywords: | Pert cpm network flows reliability stochastic majorisation convex majorisation antithetic random variables |
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