2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/160064We prove that a strongly pseudoconvex domain with noncompact group of Kobayashi/Royden metric isometries must be biholomorphic to the unit ball.Complex VariablesMetric Geometry32Q45, 32Q99, 32M05A Kobayashi metric version of Bun Wong's theoremtext