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APPROX
2007
Springer
14 years 2 months ago
2007
Springer
Abstract. We study the problem embedding an n-point metric space into another n-point metric space while minimizing distortion. We show that there is no polynomial time algorithm t...
APPROX
2007
Springer
14 years 2 months ago
2007
Springer
We consider the problem of derandomizing random walks in the Euclidean space Rk . We show that for k = 2, and in some cases in higher dimensions, such walks can be simulated in Lo...
APPROX
2007
Springer
14 years 17 days ago
2007
Springer
We show that the multi-commodity max-flow/min-cut gap for series-parallel graphs can be as bad as 2, matching a recent upper bound [8] for this class, and resolving one side of a ...
APPROX
2007
Springer
14 years 2 months ago
2007
Springer
abstract Manor Mendel1 and Assaf Naor2 1 The Open University of Israel 2 Courant Institute Let (X, dX ) be an n-point metric space. We show that there exists a distribution D over ...
APPROX
2007
Springer
14 years 2 months ago
2007
Springer
We investigate the problem of computing a minimum set of solutions that approximates within a specified accuracy the Pareto curve of a multiobjective optimization problem. We show...