2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/144427We prove that the only possible biaccessible points in the Julia set of a Cremer quadratic polynomial are the Cremer fixed point and its preimages. This gives a partial answer to a question posed by C. McMullen on whether such a Julia set can contain any biaccessible point at allDynamical SystemsOn biaccessible points in the Julia set of a Cremer quadratic polynomialtext