Introduction to Compact Riemann Surfaces and Dessins d'Enfants

Few books on the subject of Riemann surfaces cover the relatively modern theory of dessins d''enfants (children''s drawings), which was launched by Grothendieck in the 1980s and is now an active field of research. In this 2011 book, the authors begin with an elementary account of the theory of compact Riemann surfaces viewed as algebraic curves and as quotients of the hyperbolic plane by the actio...