Operations Research Proceedings 2001: Selected Papers of the by Massimiliano Caramia, Giuseppe F. Italiano, Gianpaolo

By Massimiliano Caramia, Giuseppe F. Italiano, Gianpaolo Oriolo, Andrea Pacifici (auth.), Professor Dr. Peter Chamoni, Professor Dr. Rainer Leisten, Professor Dr. Alexander Martin, Dr. Joachim Minnemann, Professor Dr. Hartmut Stadtler (eds.)

This quantity includes the complaints of the two hundred I foreign convention on Operations learn (OR 2(01) held on the Gerhard-Mercator-University Duisburg, September 3-5,2001. OR 2 hundred 1 was once equipped lower than the auspices of the German Society of Operations study, Gesellschaft für Operations study (GOR e. V.). The convention and the yearly basic assembly have been attended by means of 360 contributors from 20 nations. The presentation of 220 papers used to be geared up in 15 sections. in keeping with Duisburg as internet hosting urban for this occasion OR 2 hundred 1 emphasised on contributions of OR within the components of strength, delivery and traftk. this system consisted of2 plenary lectures (Reinhard Selten and Jörg Hennerkes) and 15 invited semiplenary lectures. ninety seven papers have been submitted for ebook. Following the recommendation of the part chairs this system committee determined to just accept fifty nine papers for this quantity. the chosen manuscripts may be released additionally in digital shape at the W orld vast net at http://www.uni-duisburg.de/or200 1. we wish to thank all referees and authors for providing their ultimate manuscript in due time. we're additionally thankful to the opposite contributors of the neighborhood organizing committee and particularly to Stefan Krebs, Corinna Schu and David Betge for the best convention administration. Roland Düsing, Ralph Gollmer and Steffen inventory supported us in modifying the abstracts and the ultimate model of this continuing quantity. final yet now not least due to all of the assistants and pupil assistants for his or her operations on OR 2001 in Duisburg.

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Additional resources for Operations Research Proceedings 2001: Selected Papers of the International Conference on Operations Research (OR 2001) Duisburg, September 3–5, 2001

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1f an integer vector P does not correspond to a permutation of the n events, then there exists a triangle within the clique, for which one of Odijk's inequalities is violated. Proof. We have to start by understanding the variables Pij in this context: equals zero if and only if event i occurs before event j, that is 1l"i < 1l"j. Consider the fact that a vector pimplies that three events i < j < k cannot be ordered, Le. 1l"i < 1l"j < 1l"k < 1l"i, or 1l"i > 1l"j > 1l"k > 1l"i which behaves symmetrieally.

Die zunehmende Verfügbarkeit der Verkehrstelematik schafft sich hier also selbst neue Anforderungen. Eine Lösung für dieses Problem ist der Übergang zu sogenannter Offboard-Navigation: die eigentliche Routenberechnung wird auf ein zentrales System verlagert, das einen größeren Überblick hat und das individuelle Ziel mit der Gesamtverkehrslage verbinden kann. Aus Sicht der Optimierungsverfahren ist das aber die vollständige Integration mit dem Verkehrsmanagement, weil jetzt die Möglichkeit besteht, gezielt Routen so zu empfehlen, dass die Gesamtverkehrslage optimiert wird.

V n für alle i VI = Start( i), Vk E Vn = Ziel(i) { E AuF mit VA U U (i) , falls i E F VA U (UfEFU(f)) ,falls i E A' 1 u(F) := {u(J) I fE F} < k < n, Pickup & Delivery-Probleme und speziell für J, l' E F, J #- 37 l' V(Pf) n V(Pf') = 0, so daß gilt U E(Pa)) (aEA \ (U E(U(F))) uEU C U E(Pf)· fEF Um die Einhaltung der Zeitfenster zu prüfen, müssen Auftrag a E A für die Be- oder Entladung an dem Ort v werden. Zudem fallen Fahrzeiten t e für die Fahrt eines Strecke e E E an. Es sei eine Kante (v,w) E Pi für ein muß gelten tv + t vw + t vw + tv + t vw + L'" tv L aEA 1 / W t~ + t vw + L (L bEu(F) ,v = u(f'), w = u(f) für ein u E U t va •Ent aEA" '1II tv Zeiten t~ für einen V berücksichtigt Fahrzeugs auf der i E F gegeben.

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