783 search results - page 12 / 157 » Improved approximation algorithms for the freeze-tag problem |
SODA
2010
ACM
14 years 6 months ago
2010
ACM
The class of constraint satisfactions problems (CSPs) captures many fundamental combinatorial optimization problems such as Max Cut, Max q-Cut, Unique Games, and Max k-Sat. Recent...
SODA
2010
ACM
14 years 6 months ago
2010
ACM
We consider the problem of approximating a set P of n points in Rd by a j-dimensional subspace under the p measure, in which we wish to minimize the sum of p distances from each p...
WABI
2010
Springer
13 years 7 months ago
2010
Springer
Abstract. The orientation of physical networks is a prime task in deciphering the signaling-regulatory circuitry of the cell. One manifestation of this computational task is as a m...
WADS
2007
Springer
14 years 2 months ago
2007
Springer
We describe a new approximation algorithm for the asymmetric maximum traveling salesman problem (ATSP) with triangle inequality. Our algorithm achieves approximation factor 35/44 ...
ECCC
2000
13 years 8 months ago
2000
We analyze the addition of a simple local improvement step to various known randomized approximation algorithms. Let ' 0:87856 denote the best approximation ratio currently k...