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Heuristic concentration and tabu search : a nose to nose comparison

Rosing, K. E.; ReVelle, C. S. - 1997

In 1997 two papers new applying the metaheuristics Tabu Search (TS) and Heuristic Concentration (HC) tothe p-median problem were published in consecutive volumes of the European Journal of OperationalResearch. Here we apply the method of HC some of the data sets which were used for...

Persistent link: https://www.econbiz.de/10010337322

Computing integral solutions of complementarity problems

Laan, Gerard van der; Talman, Dolf; Yang, Zaifu - 2004

In this paper an algorithm is proposed to find an integral solution of (nonlinear) complementarity problems. The … algorithm starts with a nonnegative integral point and generates a unique sequence of adjacent integral simplices of varying … dimension. Conditions are stated under which the algorithm terminates with a simplex one of whose vertices is an integral …

Persistent link: https://www.econbiz.de/10011343323

On Miehle's algorithm and the perturbed L p-distance multifacility location problem

Frenk, J. B.; Kleijn, M. J. - 1994

Persistent link: https://www.econbiz.de/10000150817

On a class of algorithms solving the multifacility location problem with perturbed Lp-distances

Frenk, J. B.; Kleijn, M. J. - 1994

Persistent link: https://www.econbiz.de/10000151669

An O (nL) iteration bound primal-dual cone affine scaling algorithm

Sturm, Jos F.; Zhang, Shuzhong - 1993

Persistent link: https://www.econbiz.de/10000122530

Solving discrete systems of nonlinear equations

Laan, Gerard van der; Talman, Dolf; Yang, Zaifu - 2009

Persistent link: https://www.econbiz.de/10003861027

Stochastic dominance efficiency analysis of diversified portfolios : classification, comparison and refinements

Lizyayev, Andrey - 2010

For more than three decades, empirical analysis of stochastic dominance was restricted to settings with mutually exclusive choice alternatives. In recent years, a number of methods for testing efficiency of diversified portfolios have emerged, which can be classified into three main categories:...

Persistent link: https://www.econbiz.de/10011381581

Combinatorial integer labeling theorems on finite sets with an application to discrete systems of nonlinear equations

Laan, Gerard van der; Talman, Dolf; Yang, Zaifu - 2007

Tucker's well-known combinatorial lemma states that for any given symmetric triangulation of the n-dimensional unit cube and for any integer labeling that assigns to each vertex of the triangulation a label from the set {1,2,...n,-1,-2,....-n} with the property that antipodal vertices on the...

Persistent link: https://www.econbiz.de/10011373836

Solving discrete zero point problems with vector labeling

Laan, Gerard van der; Talman, Dolf; Yang, Zaifu - 2005

proof using a combinatorial argument based on a simplicial algorithm with vector labeling and lexicographic linear … programming pivot steps. We also adept the algorithm to prove the existence of a solution to the discrete complementarity problem. …

Persistent link: https://www.econbiz.de/10011346458

Solving discrete systems of nonlinear equations

Laan, Gerard van der; Talman, Dolf; Yang, Zaifu - 2009

prove this we use a simplicial algorithm that terminates with a zero point within a finite number of iterations. The …

Persistent link: https://www.econbiz.de/10011378347

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