WADS
2005
Springer
14 years 6 months ago
2005
Springer
An instance of the multi-radius cover problem consists of a graph G = (V, E) with edge lengths l : E → R+ . Each vertex u ∈ V represents a transmission station for which a tra...
WADS
2005
Springer
14 years 6 months ago
2005
Springer
We present efficient approximation algorithms for a number of problems that call for computing the prices that maximize the revenue of the seller on a set of items. Algorithms for ...
WADS
2005
Springer
14 years 6 months ago
2005
Springer
Important generalizations of the Vertex Cover problem (Connected Vertex Cover, Capacitated Vertex Cover, and Maximum Partial Vertex Cover) have been intensively studied in terms of...
WADS
2005
Springer
14 years 6 months ago
2005
Springer
Abstract. Settling a ten years open question, we show that the NPcomplete Feedback Vertex Set problem is deterministically solvable in O(ck ·m) time, where m denotes the number of...
WADS
2005
Springer
14 years 6 months ago
2005
Springer
We study practically efficient methods for performing combinatorial group testing. We present efficient non-adaptive and two-stage combinatorial group testing algorithms, which i...
WADS
2005
Springer
14 years 6 months ago
2005
Springer
Let G be an embedded planar graph whose edges may be curves. The detour between two points, p and q (on edges or vertices) of G, is the ratio between the shortest path in G between...
WADS
2005
Springer
14 years 6 months ago
2005
Springer
This paper presents a general family of 3D hinged dissections for polypolyhedra, i.e., connected 3D solids formed by joining several rigid copies of the same polyhedron along iden...
WADS
2005
Springer
14 years 6 months ago
2005
Springer
We study the shortest path problem in weighted polygonal subdivisions of the plane, with the additional constraint of an upper bound, k, on the number of links (segments) in the pa...
WADS
2005
Springer
14 years 6 months ago
2005
Springer
Spatial databases support a variety of geometric queries on point data such as range searches, nearest neighbor searches, etc. Balanced Aspect Ratio (BAR) trees are hierarchical sp...
WADS
2005
Springer
14 years 6 months ago
2005
Springer
We obtain subquadratic algorithms for 3SUM on integers and rationals in several models. On a standard word RAM with w-bit words, we obtain a running time of O(n2 / max{ w lg2 w , ...