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A simple and efficient tabu search heuristic for solving the open vehicle routing problem

Derigs, U.; Reuter, K. - In: Journal of the Operational Research Society : OR 60 (2009) 12, pp. 1658-1669

Persistent link: https://www.econbiz.de/10003923225

Efficiency and time-cost-tradeoffs in transportation problems

Derigs, U. - In: Operations-Research-Spektrum : Zeitschrift der … 4 (1982) 4, pp. 213-222

Persistent link: https://www.econbiz.de/10002077238

Methoden zur Lösung des Bottleneck-Transportproblems

Derigs, U. - 1980

Persistent link: https://www.econbiz.de/10003524967

Rangzourdnungsprobleme

Derigs, U. - In: Zeitschrift für Operations-Research : ZOR ; … 21 (1977) 1, pp. 75-83

Persistent link: https://www.econbiz.de/10003524969

Spectral broadening due to long-range Coulomb interactions in the molecular metal TTF-TCNQ

Cano-Cortés, L.; Dolfen, A.; Merino, J.; Behler, J.; … - In: The European Physical Journal B - Condensed Matter and … 56 (2007) 3, pp. 173-176

We employ density-functional theory to calculate realistic parameters for an extended Hubbard model of the molecular metal TTF-TCNQ. Considering both intra- and intermolecular screening in the crystal, we confirm the importance of the suspected longer-range Coulomb interactions along the...

Persistent link: https://www.econbiz.de/10009282717

The static dielectric constant of CH3F and CHF3 to 468 K and 2000 bar

Reuter, K.; Rosenzweig, S.; Franck, E.U. - In: Physica A: Statistical Mechanics and its Applications 156 (1989) 1, pp. 294-302

The static dielectric constant ϵ of methyl fluoride and trifluoromethane was measured between -60 and 195°C and from 50 to 2000 bar. (c(CH3F)=44.6°C, Tc(CHF3)=26.3°C.) The high pressure cell and procedure is described. At 20°C the ϵ-values for CH3F increase between 50 and 2000 bar from 9.7...

Persistent link: https://www.econbiz.de/10011060283

QM-METHODEN - Wenn's einfach sein soll

Reuter, K. - In: Qualität und Zuverlässigkeit : QZ ; … 44 (1999) 11, pp. 1406-1412

Persistent link: https://www.econbiz.de/10007183044

Applying the attribute based hill climber heuristic to the vehicle routing problem

Derigs, U.; Kaiser, R. - In: European Journal of Operational Research 177 (2007) 2, pp. 719-732

Persistent link: https://www.econbiz.de/10005144284

An in-core/out-of-core method for solving large scale assignment problems

Derigs, U.; Metz, A. - In: Operations-Research-Spektrum : Zeitschrift der … 30 (1986) 5, pp. 181-195

Persistent link: https://www.econbiz.de/10003524963

Genetische Modellierung von Kunstlichen Neuronalen Netzen. Erfahrungen beim Einsatz zur Kreditwürdigkeitsprufung

Derigs, U.; Schirp, G. - In: Operations-Research-Spektrum : Zeitschrift der … 19 (1997) 4, pp. 285-295

Persistent link: https://www.econbiz.de/10006850420