Approximation of Lyapunov exponents in non-archimedean and complex dynamics
arXiv:1210.7060
Abstract
We give two kinds of approximation of Lyapunov exponents of rational functions of degree more than one on the projective line over more general fields than that of complex numbers.
7 pages, to appear in the conference proceedings "Proceedings of the 19th ICFIDCAA Hiroshima 2011"