COMPUTING BRAID GROUPS OF GRAPHS WITH APPLICATIONS TO ROBOT MOTION PLANNING

被引:7
|
作者
Kurlin, Vitaliy [1 ]
机构
[1] Univ Durham, Dept Math Sci, Durham DH1 3LE, England
关键词
graph; braid group; configuration space; fundamental group; homotopy type; deformation retraction; collision free motion; planning algorithm; complexity; robotics; MORSE-THEORY;
D O I
10.4310/HHA.2012.v14.n1.a8
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
An algorithm is designed to write down presentations of graph braid groups. Generators are represented in terms of actual motions of robots moving without collisions on a given connected graph. A key ingredient is a new motion planning algorithm whose complexity is linear in the number of edges and is quadratic in the number of robots. The computing algorithm implies that 2-point braid groups of all light planar graphs have presentations where all relators are commutators.
引用
收藏
页码:159 / 180
页数:22
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