783 search results - page 1 / 157 » Improved approximation algorithms for the freeze-tag problem |
CORR
2004
Springer
13 years 4 months ago
2004
Springer
An optimization problem that naturally arises in the study of swarm robotics is the Freeze-Tag Problem (FTP) of how to awaken a set of "asleep" robots, by having an awak...
IPL
2011
12 years 11 months ago
2011
Arpe and Manthey [Algorithmica’09] recently studied the minimum ANDcircuit problem, which is a circuit minimization problem, and showed some results including approximation algo...
SODA
2010
ACM
14 years 2 months ago
2010
ACM
The minimum latency problem (MLP) is a well-studied variant of the traveling salesman problem (TSP). In the MLP, the server's goal is to minimize the average latency that the...
FSTTCS
2004
Springer
13 years 10 months ago
2004
Springer
Abstract Abstract. In this paper we improve the analysis of approximation algorithms based on semidefinite programming for the maximum graph partitioning problems MAX-k-CUT, MAX-k...
WADS
2005
Springer
13 years 10 months ago
2005
Springer
We consider an APX-hard variant (∆-Max-ATSP) and an APX-hard relaxation (Max-3-DCC) of the classical traveling salesman problem. We present a 31 40-approximation algorithm for ...