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Title: A tree search approach for the solution of set problems using alternative relaxations
Authors: El-Darzi, E
Mitra, G
Keywords: integer programming
discrete optimisation
set covering
Publication Date: 1988
Publisher: Brunel University
Citation: Maths Technical Papers (Brunel University). July 1988, pp 1-30
Series/Report no.: ;TR\03\88
Abstract: A number of alternative relaxations for the family of set problems (FSP) in general and set covering problems (SCP) in particular are introduced and discussed. These are (i) Network flow relaxation, (ii) Assignment relaxation, (iii) Shortest route relaxation, (iv) Minimum spanning tree relaxation. A unified tree search method is developed which makes use of these relaxations. Computational experience of processing a collection of test problems is reported.
Appears in Collections:Mathematics Technical Papers

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