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00925njm 22002777a 4500 dc Dobado González, Antonio author López, A author 1993-10-01 We consider the minimal low-energy action for gravity up to six derivatives which is renormalizable at the two-loop level modulo higher derivative corrections. Then we study the classical solutions corresponding to the Schwarzschild and the Robertson-Walker metrics. In the first case we find a singularity close to the gravitational radius and in the second case we find inflationary de Sitter solutions in absence of any matter or cosmological constant. 0370-2693 10.1016/0370-2693(93)90322-9 https://hdl.handle.net/20.500.14352/58748 http://dx.doi.org/10.1016/0370-2693(93)90322-9 http://www.sciencedirect.com http://arxiv.org/abs/hep-ph/9309221 Some consequences of the effective low-energy lagrangian for gravity