Preface; Foreword W. J. Harvey; Semisimple actions of mapping class groups on CAT(0) spaces M. R. Bridson; A survey of research inspired by Harvey's theorem on cyclic groups of automorphisms E. Bujalance, F. J. Cirre and G. Gromadzki; Algorithms for simple closed geodesics P. Buser; Matings in holomorphic dynamics S. Bullett; Equisymmetric strata of the singular locus of the moduli space of Riemann surfaces of genus 4 A. F. Costa and M. Izquierdo; Diffeomorphisms and automorphisms of compact hyperbolic 2-orbifolds C. J. Earle; Holomorphic motions and related topics F. P. Gardiner, Y. Jiang and Z. Wang; Cutting sequences and palindromes J. Gilman and L. Keen; On a Schottky problem for the singular locus of A5 V. González-Aguilera; Non-special divisors supported on the branch set of a p-gonal Riemann surface G. González-Diez; A note on the lifting of automorphisms R. Hidalgo and B. Maskit; Simple closed geodesics of equal length on a torus G. McShane and H. Parlier; On extensions of holomorphic motions – a survey S. Mitra; Complex hyperbolic quasi-Fuchsian groups J. R. Parker and I. D. Platis; Geometry of optimal trajectories M. Pontani and P. Teofilatto; Actions of fractional Dehn twists on moduli spaces R. Silhol.