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A branch-and-bound algorithm for the coupled task problem

Békési, József; Galambos, Gábor; Jung, Michael; … - In: Mathematical Methods of Operations Research 80 (2014) 1, pp. 47-81

The coupled task problem is to schedule jobs on a single machine where each job consists of two subtasks and where the second subtask has to be started after a given time interval with respect to the first one. The problem has several applications and is NP-hard. In this paper we present a...

Persistent link: https://www.econbiz.de/10010999978

Optimal sequential designs for on-line item estimation

Jones, Douglas; Jin, Zhiying - In: Psychometrika 59 (1994) 1, pp. 59-75

Persistent link: https://www.econbiz.de/10005603500

Capacity Acquisition and Disposal with Discrete Facility Sizes

Rajagopalan, S.; Soteriou, Andreas C. - In: Management Science 40 (1994) 7, pp. 903-917

We consider some key features of capacity acquisition, disposal, and replacement decisions in this paper that are seldom captured in capacity expansion models in the literature. First, capacity is often purchased in the form of equipment which comes only in a few discrete sizes. Second, some or...

Persistent link: https://www.econbiz.de/10009204090

Mixed 0-1 Programming by Lift-and-Project in a Branch-and-Cut Framework

Balas, Egon; Ceria, Sebastián; Cornuéjols, Gérard - In: Management Science 42 (1996) 9, pp. 1229-1246

We investigate the computational issues that need to be addressed when incorporating general cutting planes for mixed 0-1 programs into a branch-and-cut framework. The cuts we use are of the lift-and-project variety. Some of the issues addressed have a theoretical answer, but others are of an...

Persistent link: https://www.econbiz.de/10009214537

A parallel algorithm for two-staged two-dimensional fixed-orientation cutting problems

Hifi, Mhand; Saadi, Toufik - In: Computational Optimization and Applications 51 (2012) 2, pp. 783-807

Persistent link: https://www.econbiz.de/10010539360

The North-South Divide in the UK Defence Sector

Bishop, Paul; Wiseman, Nick - In: Regional Studies 33 (1999) 9, pp. 829-841

spatial differences in high technology employment, R&D activity, involvement in overseas markets and civilian diversification … la technologie, la R et D, les relations commerciales exterieures et la diversification civile. Bien qu'on puisse faire … Hochtechnologie, in Forschung und Entwicklung, in Beteiligung am Uberseemarkt und Diversifikation fur Zivilzwecke gewidmet. Die Studie …

Persistent link: https://www.econbiz.de/10005491557

Sources of Structural Change in Peripheral Rural Areas: The Case of the Western Isles, 1988/89 to 1997

Roberts, Deborah; Thomson, Kenneth - In: Regional Studies 37 (2003) 1, pp. 61-70

ROBERTS D. and THOMSON K. J. (2003) Sources of structural change in peripheral rural areas: the case of the Western Isles, 1988/89 to 1997 , Reg. Studies 37 , 61-70. The paper considers the sources of structural change in peripheral rural areas, arguing that a greater understanding of sources of...

Persistent link: https://www.econbiz.de/10005452531

Anticipated effects of foreign currency reserve diversification in Asian countries: Do China and India matter for coordination?

Sell, Friedrich L. - In: CESifo Forum 8 (2007) 1, pp. 32-38

Persistent link: https://www.econbiz.de/10004998704

Zur Notwendigkeit des Corporate Portfolio Management: Eine Würdigung der wissenschaftlichen Forschung der letzten vier Jahrzehnte

Nippa, Michael - Fakultät Wirtschaftswissenschaften, Technische … - 2011

of multi-business portfolios. Although there is lots of work on diversification and mergers and acquisitions, corporate … contempt - the reasonable suspicion of economic inferiority of firm diversification and the possible inappropriateness of CPM …

Persistent link: https://www.econbiz.de/10009422081

Diversifikation und Wachstum landwirtschaftlicher Unternehmen

Thiele, Holger D.; Weiss, Christoph R. - Institut für Ernährungswirtschaft und … - 2002

vieler Agrarmärkte existieren nur wenige empirische Arbeiten zum Zusammenhang zwischen Diversifikation und dem Erfolg … Diversifikation in verwandte und unverwandte Produktbereiche auf das Wachstum (als ein Erfolgsmaß) von Unternehmen untersucht und … Diversifikation in verwandte Produktbereiche ein höheres Wachstum aufweisen, während die Diversifikation in nicht …

Persistent link: https://www.econbiz.de/10009644721