On the Convex Closure of the Graph of Modular Inversions

Mizan R. Khan, Igor E. Shparlinski, Christian L. Yankov

In this paper we give upper and lower bounds as well as a heuristic estimate on the number of vertices of the convex closure of the set $$ G_n=\left\{(a,b) : a,b\in \Z, ab \equiv 1…