632 search results - page 14 / 127 » On the Approximability of the Steiner Tree Problem |
SODA
2001
ACM
13 years 9 months ago
2001
ACM
Covering and packing integer programs model a large family of combinatorial optimization problems. The current-best approximation algorithms for these are an instance of the basic...
CORR
2011
Springer
13 years 2 months ago
2011
Springer
Abstract—This paper addresses combinatorial optimization schemes for solving the multicriteria Steiner tree problem for communication network topology design (e.g., wireless mesh...
JCO
2008
13 years 7 months ago
2008
We study Connected Facility Location problems. We are given a connected graph G = (V, E) with nonnegative edge cost ce for each edge e E, a set of clients D V such that each cli...
SIAMDM
2008
13 years 7 months ago
2008
A well-known theorem of Nash-Williams and Tutte gives a necessary and sufficient condition for the existence of k edge-disjoint spanning trees in an undirected graph. A corollary o...
SIAMCOMP
2008
13 years 7 months ago
2008
We develop approximation algorithms for the problem of placing replicated data in arbitrary networks, where the nodes may both issue requests for data objects and have capacity fo...