Finite unions of balls in C^n are rationally convex
arXiv:0712.2948 · doi:10.1070/RM2008v063n02ABEH004518
Abstract
It is shown that the rational convexity of any finite union of disjoint closed balls in C^n follows easily from the results of Duval and Sibony.
V.2 - minor edits, 2 pages