45 search results - page 2 / 9 » An Improved Approximation Algorithm for Maximum Edge 2-Color... |
ALGORITHMICA
2005
13 years 7 months ago
2005
A cycle cover of a graph is a spanning subgraph each node of which is part of exactly one simple cycle. A k-cycle cover is a cycle cover where each cycle has length at least k. Gi...
ALGOSENSORS
2009
Springer
14 years 2 months ago
2009
Springer
A wireless ad-hoc network is a collection of transceivers positioned in the plane. Each transceiver is equipped with a limited battery charge. The battery charge is then reduced a...
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 ...
APPROX
2009
Springer
14 years 2 months ago
2009
Springer
We study the maximization version of the fundamental graph coloring problem. Here the goal is to color the vertices of a k-colorable graph with k colors so that a maximum fraction ...
WABI
2010
Springer
13 years 6 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...