Additive energy and the Falconer distance problem in finite fields

Details Additive energy and the Falconer distance problem in finite fields Additive energy and the Falconer distance problem in finite fields

2010-10-08

arxiv.org/abs/1010.1597v1

Mathematics

Combinatorics

7 pages, no figures

Scientific paper

We study the number of the vectors determined by two sets in d-dimensional vector spaces over finite fields. We observe that the lower bound of cardinality for the set of vectors can be given in view of an additive energy or the decay of the Fourier transform on given sets. As an application of our observation, we find sufficient conditions on sets where the Falconer distance conjecture for finite fields holds in two dimension. Moreover, we give an alternative proof of the theorem, due to Iosevich and Rudnev, that any Salem set satisfies the Falconer distance conjecture for finite fields.

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