65 search results - page 9 / 13 » On approximating the maximum diameter ratio of graphs |
WG
2007
Springer
14 years 1 months ago
2007
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 ...
APPROX
2010
Springer
13 years 9 months ago
2010
Springer
Abstract. We provide improved approximation algorithms for the minmax generalization problems considered by Du, Eppstein, Goodrich, and Lueker [1]. In min-max generalization proble...
MOBIHOC
2002
ACM
14 years 7 months ago
2002
ACM
We present a series of approximation algorithms for finding a small weakly-connected dominating set (WCDS) in a given graph to be used in clustering mobile ad hoc networks. The st...
JAL
2006
13 years 7 months ago
2006
: We consider a variety of vehicle routing problems. The input to a problem consists of a graph G = (N, E) and edge lengths l(e) e E. Customers located at the vertices have to be ...
APPROX
2009
Springer
14 years 2 months ago
2009
Springer
The (undirected) Node Connectivity Augmentation (NCA) problem is: given a graph J = (V, EJ ) and connectivity requirements {r(u, v) : u, v ∈ V }, find a minimum size set I of n...