752 search results - page 27 / 151 » Faster approximation algorithms for the minimum latency prob... |
STOC
1995
ACM
13 years 11 months ago
1995
ACM
We present a unified framework for designing polynomial time approximation schemes (PTASs) for “dense” instances of many NP-hard optimization problems, including maximum cut,...
INFOCOM
2010
IEEE
13 years 5 months ago
2010
IEEE
Abstract--We study the problem of maintaining group communication between m mobile agents, tracked and helped by n static networked sensors. We develop algorithms to maintain a O(l...
JUCS
2008
13 years 7 months ago
2008
: A chain or n-link is a sequence of n links whose lengths are fixed and are joined together from their endpoints, free to turn about their endpoints, which act as joints. "Ru...
CORR
2008
Springer
13 years 7 months ago
2008
Springer
The generalized traveling salesman problem (GTSP) is an extension of the well-known traveling salesman problem. In GTSP, we are given a partition of cities into groups and we are ...
APPROX
2007
Springer
14 years 1 months ago
2007
Springer
A star graph is a tree of diameter at most two. A star forest is a graph that consists of node-disjoint star graphs. In the spanning star forest problem, given an unweighted graph ...