Generalized power expansions in cosmology Alejandro S. Jakubi Department of Physics, F.C.E.N., University of Buenos Aires Pabellon I, Ciudad Universitaria, 1428 Buenos Aires, Argentina jakubi@df.uba.ar http://www.df.uba.ar/~jakubi An advance report is given on a recently introduced algorithm to obtain generalized power asymptotic expansions of cosmological solutions of the Einstein equations. An implementation in Maple with improved tools for sorting exponents is described. Also it is shown how to apply the algorithm when the evolution is determined by a system of nonlinear differential equations.