60 search results - page 1 / 12 » Complexity of some inverse shortest path lengths problems |
NETWORKS
2010
13 years 3 months ago
2010
The input to an Inverse Shortest Path Lengths Problem (ISPL) consists of a graph G with arc weights, and a collection of source-sink pairs with prescribed distances that do not ne...
ICALP
2004
Springer
13 years 10 months ago
2004
Springer
Quantum algorithms for graph problems are considered, both in the adjacency matrix model and in an adjacency list-like array model. We give almost tight lower and upper bounds for ...
STOC
2009
ACM
14 years 5 months ago
2009
ACM
We present an improved oracle for the distance sensitivity problem. The goal is to preprocess a directed graph G = (V, E) with non-negative edge weights to answer queries of the f...
PSIVT
2007
Springer
13 years 11 months ago
2007
Springer
Let p and q be two points on the surface of a polytope Π. This paper provides a rubberband algorithm for computing a Euclidean shortest path between p and q (a so-called surface E...
COSIT
2003
Springer
13 years 10 months ago
2003
Springer
Numerous cognitive studies have indicated that the form and complexity of route instructions may be as important to human navigators as the overall length of route. Most automated ...