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A Branch-and-cut Algorithm for Integer Bilevel Linear Programs

Scott Denegre (sdenegre***at***lehigh.edu)
Ted Ralphs (ted***at***lehigh.edu)

Abstract: We describe a rudimentary branch-and-cut algorithm for solving integer bilevel linear programs that extends existing techniques for standard integer linear programs to this very challenging computational setting. The algorithm improves on the branch-and-bound algorithm of Moore and Bard in that it uses cutting plane techniques to produce improved bounds, does not require specialized branching strategies, and can be implemented in a straightforward way using only linear solvers. An implementation built using software components available in the COIN-OR software repository is described and preliminary computational results presented.

Keywords: Branch and cut, bilevel programming, cutting planes

Category 1: Combinatorial Optimization (Branch and Cut Algorithms )

Category 2: Integer Programming ((Mixed) Integer Linear Programming )

Category 3: Other Topics (Game Theory )

Citation: Technical Report, COR@L Laboratory, Lehigh University (2008)

Download: [PDF]

Entry Submitted: 06/03/2008
Entry Accepted: 06/03/2008
Entry Last Modified: 09/18/2008

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