The Maximum Number of Times the Same Distance Can Occur among the Vertices of a Convex n-gon Is O(n log n)

@article{Bra2001TheMN,
title={The Maximum Number of Times the Same Distance Can Occur among the Vertices of a Convex n-gon Is O(n log n)},
author={Peter Bra\ss and J{\'a}nos Pach},
journal={J. Comb. Theory, Ser. A},
year={2001},
volume={94},
pages={178-179}
}