Biobjective combinatorial optimization and the TSP with profits: Methods and algorithms

Stevanato, Elisa, Zanghirati, Gaetano, Filippi, Carlo

ISBN 10: 3659221988 / ISBN 13: 9783659221989

Published by LAP LAMBERT Academic Publishing, 2012

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Bibliographic Details

• Title: Biobjective combinatorial optimization and the TSP with profits: Methods and algorithms
• Publisher: LAP LAMBERT Academic Publishing
• Publication Date: 2012
• Language: English
• ISBN 10: 3659221988
• ISBN 13: 9783659221989
• Binding: Paperback
• Condition: Like New
• Book Type: book

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Synopsis

Bi-objective combinatorial optimization (BOCO) deals with mathematical programming models where two competing objectives have to be minimised subject to constraints. A number of real world applications may be cast in this setting, where the objective and constraint functions are linear and the variables are binary. In a BOCO problem usually there is no solution that simultaneously minimise both objectives, so it is necessary to describe a set of Pareto optimal solutions, or solutions such that it is not possible to improve one objective without worsening the other. In this work we review the exact, heuristic and approximated methods developed to date for the construction of the Pareto optimal set in BOCO problems. Emphasis is given to exact and to approximate methods where a subset of the exact set of Pareto optimal solutions is given. We apply all the analysed methods to a hard BOCO problem: the Traveling Salesman Problem with Profits (TSPP). Specific approaches for the TSPP on graphs with special metrics and/or with time windows are also discussed. Finally, the approaches studied are suggested as a methodology to face a case study connecting Medicine and Computer Science.

About the Author

Studied Pure and Applied Mathematics at Padua University, obtained the PhD in Mathematics and Computer Science at Ferrara University. Currently,is working in the Department of Economics and Management of the University of Brescia - Italy.