2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/157655We prove optimal (that is, without loss of derivatives) dispersive estimates for the Schrodinger group $e^{it(-Δ+V)}$ for a class of real-valued potentials $V\in C^k(R^n)$ with $k>(n-3)/2$, where $n=4,5$.17 pagesAnalysis of PDEstext