l., doi:10.1016/j.jtbi.2009.03.035, 2009. Chapter 5 is published as: "Mutation-selection equilibrium in games with multiple strategies", T. Antal, A. Traulsen, H. Ohtsuki, C.E. Tarnita, M.A., Nowak. J. Theor. Biol., doi:10.1016/j.jtbi.2009.02.010, 2009. Chapter 6 is submitted as: "Mutation-selection equi