2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/171277We define and study Riesz transforms and conjugate Poisson integrals associated with multi-dimensional Jacobi expansions.24 pages; the paper will appear in J. Anal. Math. (2008)Classical Analysis and ODEs42C10 (Primary); 42B25 (Secondary)text