2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/76229We study local bifurcation from an eigenvalue with multiplicity greater than one for a class of semilinear elliptic equations. We evaluate the exact number of bifurcation branches of non trivial solutions and we compute the Morse index of the solutions in those branches.24 pagesAnalysis of PDEs35B32; 35J20; 35J60text