2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/60841We give more precision on the regularity of the domain that is needed to have the monotonicity and symmetry results recently proved by Damascelli and Pacella, result concerning p-Laplace equations. For this purpose, we study the continuity and semicontinuity of some parameters linked with the moving hyperplane method.4 pages, 2 figuresAnalysis of PDEs35J25,35J60A note on the moving hyperplane methodtext