2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/224463In this paper we prove the bilinear analogue of de Leeuw's result for periodic bilinear multipliers and some Jodeit type extension results for bilinear multipliers.13 pagesClassical Analysis and ODEsFunctional Analysis42A45, 42B15Relations between bilinear multipliers on $ \mathbb R^n, \mathbb{T}^n$ and $\mathbb{Z}^n$text