Titlebook: Approximation, Randomization, and Combinatorial Optimization. Algorithms and Techniques; 12th International W Irit Dinur,Klaus Jansen,José

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Structure Theory for p.m.p. Actionspilers and have recently been proven NP-Hard. We provide the first constant approximations: a .-approximation for interval graphs and a .-approximation for chordal graphs. We extend our techniques to the problem of minimizing spillage in these graph types.

庇護(hù)

Structure Theory for p.m.p. Actionse-capacitated graph .?=?(.,.) and . request pairs .., …, .., where each .. consists of a source-destination pair (..,..), a demand .. and a weight ... The goal is to find a maximum weight subset of requests that can be routed unsplittably in .. Most previous work on UFP has focused on the . case in

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I. P. Cornfeld,S. V. Fomin,Ya. G. Sinaie. A fundamental question is whether an .-approximation algorithm translates into an .-approximate truthful mechanism. It is well-known that plugging an .-approximation algorithm into the VCG technique may not yield a truthful mechanism. Thus, it is natural to investigate properties of approximation

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北極人

Smooth Dynamical Systems on Smooth Manifoldssion of this problem consists of a rational vector .?∈??., an error bound . and a denominator bound .?∈??.. One has to decide whether there exists an integer, called the.. with 1?≤?.?≤?. such that the distance of each number . ·.. to its nearest integer is bounded by .. Lagarias has shown that this

Tailor

I. P. Cornfeld,S. V. Fomin,Ya. G. Sinaitandard worst-case analysis. We circumvent such negative results by designing guarantees for classes of instances, parameterized according to properties of the optimal solution. We also make sure that our parameterized approximation, called . approximation, is the best possible. We show how to apply

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