5 search results - page 1 / 1 » An Optimal Competitive Strategy for Walking in Streets |
STACS
1999
Springer
13 years 10 months ago
1999
Springer
We present an optimal strategy for searching for a goal in a street which achieves the competitive factor of √ 2, thus matching the best lower bound known before. This finally ...
COMPGEOM
1994
ACM
13 years 10 months ago
1994
ACM
We consider the problem of a robot which has to find a target in an unknown simple polygon, based only on what it has seen so far. A street is a polygon for which the two boundary...
DAGSTUHL
1994
13 years 7 months ago
1994
A strategy for working with incomplete information is called competitive if it solves each problem instance at a cost not exceeding the cost of an optimal solution (with full info...
COMPGEOM
1995
ACM
13 years 9 months ago
1995
ACM
We present a competitive strategy for walking into the kernel of an initially unknown star-shaped polygon. From an arbitrary start point, s, within the polygon, our strategy find...
DAM
1999
13 years 5 months ago
1999
It is well known that on a line, a target point in unknown position can be found by walking a path at most 9 times as long as the distance from the start to the target point, in t...