2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/76135To any pair of coverings $f_i: X \ra X_i, i = 1,2$ of smooth projective curves one can associate an abelian subvariety of the Jacobian $J_X$, the Prym variety $P(f_1,f_2)$ of the pair $(f_1,f_2)$. In some cases we can compute the type of the restriction of the canonical principal polarization of $JX$. We obtain 2 families of Prym-Tyurin varieties of exponent 6.to appear in Archiv der MathematikAlgebraic Geometry14K05;14H40text