Browsing by Author "Gzara, F."

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A Lagrangian relaxation approach to large-scale flow interception problems

Gzara, F.; Erkut, Erhan (Elsevier, 2009-10-16)

The paper presents a tight Lagrangian bound and an efficient dual heuristic for the flow interception problem. The proposed Lagrangian relaxation decomposes the problem into two subproblems that are easy to solve. Information ...
Telecommunications network design with multiple technologies

Gzara, F.; Erkut, Erhan (Springer Science+Business Media, 2011-02)

In this paper we consider a telecommunications network design problem allowing for multiple technologies. The problem arises in wide-area network and metro-area network design for which a combination of Technologies may ...