2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/212720In this paper, we prove some uniform estimates between Lebesgue and Hardy spaces for operators closely related to the multilinear paraproducts on R^d. We are looking for uniformity with respect to parameters, which allow us to disturb the geometry and the metric on $R^d$.Classical Analysis and ODEsFunctional Analysis42B15, 42B20, 42B25text