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A two-phase hybrid metaheuristic for the vehicle routing problem with time windows

Homberger, Jörg; Gehring, Hermann - In: European journal of operational research : EJOR 162 (2005) 1, pp. 220-238

Persistent link: https://www.econbiz.de/10006641778

Parallelization of a Two-Phase Metaheuristic for Routing Problems with Time Windows

Gehring, Hermann; Homberger, Jörg - In: Journal of heuristics 8 (2002) 3, pp. 251-276

Persistent link: https://www.econbiz.de/10008216399

A Parallel Genetic Algorithm for the Multilevel Unconstrained Lot-Sizing Problem

Homberger, Jörg - In: INFORMS journal on computing : JOC 20 (2008) 1, pp. 124-132

Persistent link: https://www.econbiz.de/10007918858

A (μ, λ)-coordination mechanism for agent-based multi-project scheduling

Homberger, Jörg - In: OR spectrum : quantitative approaches in management 34 (2012) 1, pp. 107-133

Persistent link: https://www.econbiz.de/10009820482

Anwendung der Netzplantechnik zur Einsatzplanung von Baukolonnen

Gal, Tomas; Gehring, Hermann; Kopecky, Lubos - In: Fortschrittliche Betriebsführung und Industrial … 27 (1978) 4, pp. 237-240

Persistent link: https://www.econbiz.de/10003555899

Betriebswirtschaftliche Planungs- und Entscheidungstechniken

Gál, Tomáš; Gehring, Hermann - 1981

Persistent link: https://www.econbiz.de/10004008758

A hybrid genetic algorithm for the container loading problem

Bortfeldt, Andreas; Gehring, Hermann - In: European Journal of Operational Research 131 (2001) 1, pp. 143-161

Persistent link: https://www.econbiz.de/10005337689

A two-phase hybrid metaheuristic for the vehicle routing problem with time windows

Homberger, Jorg; Gehring, Hermann - In: European Journal of Operational Research 162 (2005) 1, pp. 220-238

Persistent link: https://www.econbiz.de/10005151968

GREEDY ALGORITHMS FOR PACKING UNEQUAL SPHERES INTO A CUBOIDAL STRIP OR A CUBOID

KUBACH, TIMO; BORTFELDT, ANDREAS; TILLI, THOMAS; … - In: Asia-Pacific Journal of Operational Research (APJOR) 28 (2011) 06, pp. 739-753

Given a finite set of spheres of different sizes, we study the three-dimensional Strip Packing Problem (3D-SPP) as well as the three-dimensional Knapsack Problem (3D-KP). The 3D-SPP asks for a placement of all spheres within a cuboidal strip of fixed width and height so that the variable length...

Persistent link: https://www.econbiz.de/10009395545

A tabu search algorithm for weakly heterogeneous container loading problems

Bortfeldt, Andreas; Gehring, Hermann - In: Operations-Research-Spektrum : Zeitschrift der … 20 (1998) 4, pp. 237-250

Persistent link: https://www.econbiz.de/10006845467