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New proofs about the number of empty convex 4-gons and 5-gons in a planar point set

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Abstract

The present article discusses the number of empty convex 4-gons and empty convex 5-gons in a finite planar point set. New proofs are provided for the two related important results.

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Correspondence to Yatao Du or Ren Ding.

Additional information

This research was supported by Hebei NSF A2005000144.

Yatao Du received MSc and Ph. D. from the Hebei Normal University under the direction of Prof. Ren Ding. Her research interests focus on discrete geometry, convex geometry and combinatorial geometry.

Ren Ding is a professor of mathematics, supervising Ph. D. programs at Hebei Normal University. His research interests focus on discrete geometry, convex geometry and combinatorial geometry.

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Du, Y., Ding, R. New proofs about the number of empty convex 4-gons and 5-gons in a planar point set. JAMC 19, 93–104 (2005). https://doi.org/10.1007/BF02935790

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  • DOI: https://doi.org/10.1007/BF02935790

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