2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/72964For any fixed $p>2$, a necessary and sufficient condition is obtained for the boundedness of the Riesz transforms associated with second order elliptic operators with real, symmetric, bounded measurable coefficients.To appear in Annales de L'Institut Fourier (Grenoble)Analysis of PDEsClassical Analysis and ODEs35J15:35J25;42B20Bounds of Riesz Transforms on $L^p$ Spaces for Second Order Elliptic Operatorstext