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Gabow, Goemans, Tardos and Williamson Receive Glover-Klingman Prize

 

December 2010

Professor Harold (Hal) Gabow, Michel Goemans (MIT), Éva Tardos (Cornell University) and David Williamson (Cornell University) received the Glover-Klingman Prize for the best paper of the year published in Networks: An International Journal. The paper was titled "Approximating the smallest k-edge connected spanning subgraph by LP-rounding."

From the citation:

An important problem in network design is to identify a spanning subgraph that is k-edge connected and has the fewest number of edges. In this very nice contribution, the authors show that from an algorithmic perspective the problem gets easier to approximate as k increases, for both directed and undirected graphs. Specifically, the paper carefully analyzes an approximation algorithm based on rounding a linear programming relaxation of the problem. The authors also construct examples to show the tightness of their analysis of this algorithm and present an NP-hardness result to show that a better approximation is unlikely to exist.

The winners of this annual award are selected by the Editors-in-Chief, with assistance from members of the Editorial Board of the journal.

 
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