ALGORITHMICA
2002
13 years 4 months ago
2002
It is shown that, for every strongly connected network in which every edge has capacity at least , linear time suffices to send flow from source vertices, each with a given supply,...
ALGORITHMICA
2002
13 years 4 months ago
2002
Given a directed acyclic graph with timing constraints, the budget management problem is to assigntoeachvertexanincrementaldelaysuchthatthesumofthesedelaysismaximizedwithoutviolati...
ALGORITHMICA
2002
13 years 4 months ago
2002
We present several simple methods to construct planar, strictly upward, strongly order-preserving, straight-line drawings of any n-node binary tree. In particular, it is shown that...
ALGORITHMICA
2002
13 years 4 months ago
2002
Security of quantum key distribution against sophisticated attacks is among the most important issues in quantum information theory. In this work we prove security against a very ...
ALGORITHMICA
2002
13 years 4 months ago
2002
We obtain the strongest separation between quantum and classical query complexity known to date--specifically, we define a black-box problem that requires exponentially many querie...
ALGORITHMICA
2002
13 years 4 months ago
2002
In recent years there has been an upsurge of interest in spatial databases. A major issue is how to manipulate efficiently massive amounts of spatial data stored on disk in multidi...
ALGORITHMICA
2002
13 years 4 months ago
2002
We consider the total weighted completion time scheduling problem for parallel identical machines and precedence constraints, P jprecj PwiCi. This important and broad class of pro...
ALGORITHMICA
2002
13 years 4 months ago
2002
We study exploration problems where a robot has to construct a complete map of an unknown environment using a path that is as short as possible. In the rst problem setting we cons...
ALGORITHMICA
2002
13 years 4 months ago
2002
We consider the following one- and two-dimensional bucketing problems: Given a set S of n points in R1 or R2 and a positive integer b, distribute the points of S into b equal-size ...