WADS
2009
Springer
14 years 4 months ago
2009
Springer
We consider a set of axis-parallel nonintersecting strips in the plane. An observer starts to the left of all strips and ends to the right, thus visiting all strips in the given or...
WADS
2009
Springer
14 years 4 months ago
2009
Springer
Abstract. In this paper, we propose a new compact and low delay routing labeling scheme for Unit Disk Graphs (UDGs) which often model wireless ad hoc networks. We show that one can...
WADS
2009
Springer
14 years 4 months ago
2009
Springer
Abstract. A central issue in the design of modern communication networks is the provision of Quality-of-Service (QoS) guarantees at the presence of heterogeneous users. For instanc...
WADS
2009
Springer
14 years 4 months ago
2009
Springer
Abstract. The buy-at-bulk network design problem has been extensively studied in the general graph model. In this paper we consider the geometric version of the problem, where all ...
WADS
2009
Springer
14 years 4 months ago
2009
Springer
Abstract. We introduce the simultaneous representation problem, defined for any graph class C characterized in terms of representations, e.g. any class of intersection graphs. Two...
WADS
2009
Springer
14 years 4 months ago
2009
Springer
We present the first thorough theoretical analysis of the Transitivity Editing problem on digraphs. Herein, the task is to perform a minimum number of arc insertions or deletions ...
WADS
2009
Springer
14 years 4 months ago
2009
Springer
Abstract We show that if one can find the optimal value of an integer programming problem min{cx : Ax ≥ b, x ∈ Zn +} in polynomial time, then one can find an optimal solution...
WADS
2009
Springer
14 years 4 months ago
2009
Springer
This paper provides a systematic study of several proposed measures for online algorithms in the context of a specific problem, namely, the two server problem on three colinear po...
WADS
2009
Springer
14 years 4 months ago
2009
Springer
WADS
2009
Springer
14 years 4 months ago
2009
Springer
We develop algorithms to compute edge sequences, Voronoi diagrams, shortest path maps, the Fréchet distance, and the diameter for a polyhedral surface. Distances on the surface a...