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» An Approximation Algorithm for Approximation Rank
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STOC
2009
ACM
106views Algorithms» more  STOC 2009»
16 years 7 months ago
Max cut and the smallest eigenvalue
We describe a new approximation algorithm for Max Cut. Our algorithm runs in ~O(n2 ) time, where n is the number
Luca Trevisan
INFOCOM
2009
IEEE
16 years 1 months ago
Hardness and Approximation of the Survivable Multi-Level Fat Tree Problem
—With the explosive deployment of “triple play” (voice, video and data services) over the same access network, guaranteeing a certain-level of survivability for the access ne...
Hung Q. Ngo, Thanh-Nhan Nguyen, Dahai Xu
ICALP
2004
Springer
15 years 12 months ago
Sublinear-Time Approximation for Clustering Via Random Sampling
Abstract. In this paper we present a novel analysis of a random sampling approach for three clustering problems in metric spaces: k-median, min-sum kclustering, and balanced k-medi...
Artur Czumaj, Christian Sohler
DISOPT
2010
129views more  DISOPT 2010»
15 years 6 months ago
Labeled Traveling Salesman Problems: Complexity and approximation
We consider labeled Traveling Salesman Problems, defined upon a complete graph of n vertices with colored edges. The objective is to find a tour of maximum or minimum number of co...
Basile Couëtoux, Laurent Gourvès, J&ea...
CORR
2008
Springer
96views Education» more  CORR 2008»
15 years 6 months ago
Improved Approximations for Multiprocessor Scheduling Under Uncertainty
This paper presents improved approximation algorithms for the problem of multiprocessor scheduling under uncertainty (SUU), in which the execution of each job may fail probabilist...
Christopher Y. Crutchfield, Zoran Dzunic, Jeremy T...