Includes bibliographical references.

Large hyperbolic polygons and hyperelliptic Riemann surfaces ; On isolated strata of pentagonal Riemann surfaces in the branch locus of moduli spaces ; Finite group actions of large order on compact bordered surfaces ; Surfaces of low degree containing a canonical curve ; Ideals of curves given by points ; Non-genera of curves with automorphisms in characteristic ; Numerical Schottky uniformizations of certain cyclic L-gonal curves ; Generalized lantern relations and planar line arrangements ; Effective adic cohomology for cyclic cubic threefolds ; Generating sets of affine groups of low genus ; Classification of algebraic ODEs with respect to rational solvability ; Circle packings on conformal and affine tori ; Effective radical parametrization of trigonal curves Anthony Arnold and Klaus-Dieter Semmler ; Gabriel Bartolini, Antonio F. Costa and Milagros Izquierdo ; E. Bujalance, F. J. Cirre and M. D. E. Conder ; Izzet Coskun ; E. Fortuna, P. Gianni and B. Trager ; Darren Glass ; Ruben A. Hidalgo and Mika Seppala ; Eriko Hironaka ; Kiran S. Kedlaya ; K. Magaard, S. Shpectorov and G. Wang ; L. X. Chau Ngo, J. Rafael Sendra and Franz Winkler ; Christopher T. Sass, Kenneth Stephenson and G. Brock Williams ; Josef Schicho and David Sevilla