On the number of distinct roots of a lacunary polynomial over finite fields
arXiv:2008.09962 · doi:10.1016/j.ffa.2021.101820
Abstract
We obtain new upper bounds on the number of distinct roots of lacunary polynomials over finite fields. Our focus will be on polynomials for which there is a large gap between consecutive exponents in the monomial expansion.
16 pages, 3 figures