论文信息 - The Yao Graph Y_6 is a Spanner

The Yao Graph Y_6 is a Spanner

We prove that Y_6 is a spanner. Y_6 is the Yao graph on a set of planar points, which has an edge from each point x to a closest point y within each of the six angular cones of 60 deg surrounding x.

Joseph O'Rourke

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[2] Michiel H. M. Smid,et al. π/2-Angle Yao Graphs are Spanners , 2012, Int. J. Comput. Geom. Appl..