Titlebook: Mathematical Programming at Oberwolfach II; Bernhard Korte,Klaus Ritter Book 1984Latest edition Springer-Verlag Berlin Heidelberg 1984 Mat

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,Node-weighted graphs having the König-Egerváry property, equation .=0. In case (.) is a .-KEG, both algorithms provide a minimum weight transversal..Some of our results generalize previous results obtained in the unweighted case by Deming, Gavril and Sterboul..A companion paper will analyze applications of the weighted König-Egerváry property to quadratic 0–1 optimization.

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Multipoint methods for separable nonlinear networks,t grids than for fixed grids, the numerical results presented show overall computing times are less for implicit grids. A lower bounding technique based on the error of approximation is also developed. This technique is highly useful if Lagrangian relaxations are difficult to solve.

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Covering directed and odd cuts,mber of .-odd components of .. Moreover, if . is bipartite, there is an optimal partition arising from a partition of the two parts. Secondly some orientation problems of undirected graphs are discussed. The results also emphasize the analogy between strong connectivity and parity conditions.

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