2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/119069A set of features of the renormalization group improved Kerr spacetime taking into account the running of Newton's constant is presented. This set includes: Behavior of the critical surfaces and corrections to the mass and angular momentum of the Kerr black hole.4 pages, 1 figure, to appear in the proceedings of the 11th Marcel Grossmann Meeting (Berlin 2006), latexHigh Energy Physics - TheoryGeneral Relativity and Quantum Cosmologytext