2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/177386All homothetic self-similar solutions of the Brans-Dicke scalar field in three-dimensional spacetime with circular symmetry are found in closed form.latex, five pages, without figureGeneral Relativity and Quantum CosmologyAstrophysicsHigh Energy Physics - PhenomenologyHigh Energy Physics - TheoryMathematical PhysicsHomothetic Self-Similar Solutions of the Three-Dimensional Brans-Dicke Gravitytext