DMFT at 25: Infinite dimensions lecture notes of the Autumn School on Correlated Electrons 2014 ; ... organized by the DFG Research Unit 1346 Dynamical Mean-Field Approach with Predictive Power for Strongly Correlated Materials at Forschungszentrum Jülich, 15 - 19 September 2014 (Forschungszentrum Jülich, Zentralbibliothek, Verl., 2014)