%0 Journal Article
%T On the sum of the squared multiplicities of the distances in a point set over finite fields
%A Le Anh Vinh
%A Dang Phuong Dung
%J Mathematics
%D 2008
%I arXiv
%X We study a finite analog of a conjecture of Erd\"os on the sum of the squared multiplicities of the distances determined by an $n$-element point set. Our result is based on an estimate of the number of hinges in spectral graphs.
%U http://arxiv.org/abs/0809.3539v2