2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/98566We give several remarks on Strichartz estimates for homogeneous wave equation with special attention to the cases of $L^\infty_x$ estimates, radial solutions and initial data from the inhomogeneous Sobolev spaces. In particular, we give the failure of the endpoint estimate $L^4_t L^\infty_x$ for $n=2$.9 pages with 5 figures; some typos correctedAnalysis of PDEs35L05text