Stationary vs. singular points in an accelerating FRW cosmology derived   from six-dimensional Einstein-Gauss-Bonnet gravity
  Six-dimensional Einstein-Gauss-Bonnet gravity (with a linear Gauss-Bonnet term) is investigated. This theory is inspired by basic features of results coming from string and M-theory. Dynamical compactification is carried out and it is seen that a four-dimensional accelerating FRW universe is recovered, when the two-dimensional internal space radius shrinks. A non-perturbative structure of the corresponding theory is identified which has either three or one stable fixed points, depending on the Gauss-Bonnet coupling being positive or negative. A much richer structure than in the case of the perturbative regime of the dynamical compactification recently studied by Andrew, Bolen, and Middleton is exhibited. 
E. Elizalde, A.N. Makarenko, V.V. Obukhov, K.E. Osetrin, and A.E.   Filippov