743 search results - page 55 / 149 » Approximation Algorithms for Graph Homomorphism Problems |
IPCCC
2007
IEEE
14 years 2 months ago
2007
IEEE
In this paper, we study the Maximum lifetime Target Coverage problem (MTC), which is to maximize the network lifetime while guaranteeing the complete coverage of all the targets. ...
PODC
2005
ACM
14 years 1 months ago
2005
ACM
In this paper, we initiate the study of the approximability of the facility location problem in a distributed setting. In particular, we explore a trade-off between the amount of...
STOC
2006
ACM
14 years 8 months ago
2006
ACM
We study the Unsplittable Flow Problem (UFP) on a line graph, focusing on the long-standing open question of whether the problem is APX-hard. We describe a deterministic quasi-pol...
CORR
2010
Springer
13 years 8 months ago
2010
Springer
Deterministic graph grammars generate regular graphs, that form a structural extension of configuration graphs of pushdown systems. In this paper, we study a probabilistic extensio...
STACS
2005
Springer
14 years 1 months ago
2005
Springer
Cycle covering is a well-studied problem in computer science. In this paper, we develop approximation algorithms for variants of cycle covering problems which bound the size and/o...