141 search results - page 8 / 29 » Approximating Steiner trees in graphs with restricted weight... |
CORR
2006
Springer
14 years 9 months ago
2006
Springer
A cycle cover of a graph is a set of cycles such that every vertex is part of exactly one cycle. An L-cycle cover is a cycle cover in which the length of every cycle is in the set ...
ESA
2008
Springer
14 years 11 months ago
2008
Springer
The edge asymmetry of a directed, edge-weighted graph is defined as the maximum ratio of the weight of antiparallel edges in the graph, and can be used as a measure of the heterog...
ICALP
2005
Springer
15 years 3 months ago
2005
Springer
Virtual Private Network Design is the following NP-hard problem. We are given a communication network, represented as a weighted graph with thresholds on the nodes which represent...
SODA
2012
ACM
13 years 7 days ago
2012
ACM
The Directed Steiner Tree (DST) problem is a cornerstone problem in network design. We focus on the generalization of the problem with higher connectivity requirements. The proble...
FOCS
2006
IEEE
15 years 3 months ago
2006
IEEE
Given an undirected hypergraph and a subset of vertices S ⊆ V with a specified root vertex r ∈ S, the STEINER ROOTED-ORIENTATION problem is to find an orientation of all the...