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DAM
1999
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13 years 4 months ago
How to Find a Point on a Line Within a Fixed Distance
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...
Christoph A. Hipke, Christian Icking, Rolf Klein, ...
STACS
1999
Springer
13 years 9 months ago
An Optimal Competitive Strategy for Walking in Streets
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 ...
Christian Icking, Rolf Klein, Elmar Langetepe