Given a system of polynomial equations over a finite field, estimating the p-divisibility of the
number of solutions of the system is a classical problem which has been studied extensively …

Given a system of polynomial equations over a finite field, estimating the p-divisibility of the
number of solutions of the system is a classical problem which has been studied extensively …

Let Fq be the finite field of q elements with characteristic p. Let f∈ Fq [x1,..., xn] with deg f⩾ 1,
and N (f) be the number of zeros of f in Fq. The classical Chevalley–Warning theorem [6, 15] …