Type: Article
Publication Date: 2006-10-01
Citations: 8
DOI: https://doi.org/10.1216/rmjm/1181069373
We give upper bounds for the number of solutions to congruences with the Euler function ϕ(n) modulo an integer q ≥ 2. We also give nontrivial bounds for rational exponential sums with ϕ(n)/q.