5 search results - page 1 / 1 » A PTAS for Node-Weighted Steiner Tree in Unit Disk Graphs |
COCOA
2009
Springer
13 years 11 months ago
2009
Springer
Abstract. The node-weighted Steiner tree problem is a variation of classical Steiner minimum tree problem. Given a graph G = (V, E) with node weight function C : V → R+ and a sub...
COCOA
2009
Springer
13 years 9 months ago
2009
Springer
: Under water sensor network is an important research direction in computer science. There are many interesting optimization problems regarding its design, routing and applications...
COCOA
2009
Springer
13 years 7 months ago
2009
Springer
stract to be announcedPlenary session 09:00-10:00 Panos M, Pardalos, University of Florida, USA Tea Break 10:00-10:20 At the 1st floor 10:20-10:45 Polynomial Approximation Schemes ...
ALGORITHMICA
1998
13 years 4 months ago
1998
The dominatingset problemin graphs asks for a minimumsize subset of vertices with the followingproperty: each vertex is required to either be in the dominating set, or adjacent to...
ICALP
2005
Springer
13 years 10 months ago
2005
Springer
Given a graph G = (V, E) and positive integral vertex weights w : V → N, the max-coloring problem seeks to find a proper vertex coloring of G whose color classes C1, C2, . . . ,...