2 papers
math.NT2020
New estimates for exponential sums over multiplicative subgroups and intervals in prime fields
Daniel di Benedetto, Moubariz Z. Garaev, Víctor C. García +3
Let be a multiplicative subgroup of of order . We show that $$ \max_{(a,p)=1}\left|\sum_{x\in {\mathcal H}} {\mathbf{\,e}}_p(ax)\right| \…
math.DS2018
On nilspace systems and their morphisms
Pablo Candela, Diego González-Sánchez, Balázs Szegedy
A nilspace system is a generalization of a nilsystem, consisting of a compact nilspace X equipped with a group of nilspace translations acting on X. Nilspace systems appear in diff…