2015/09/14 by Hanson, Brandon
#FOS: Mathematics #Number Theory (math.NT)
paper · doi:10.48550/arxiv.1509.04354
We provide estimates for sums of the form |∑a∈ A∑b∈ B∑c∈ Cχ(a+b+c)| and |∑a∈ A∑b∈ B∑c∈ C∑d∈ Dχ(a+b+cd)| when A,B,C,D⊂ \mathbb Fp, the field with p elements and χ is a non-trivial multiplicative character modulo p.