@article{Hidalgo_2018, title={?-hyperelliptic Riemann surfaces}, volume={17}, url={https://www.revistaproyecciones.cl/index.php/proyecciones/article/view/2733}, DOI={10.22199/S07160917.1998.0001.00007}, abstractNote={<p>We give some characterizations of <em>?</em> -hyperelliptic Riemann surfaces of genus <em>?</em> ? 2, that is, pairs (<em>S</em>, <em>j</em>) where <em>S</em> is a closed Riemann surface of genus <em>?</em> and <em>j </em>: <em>S</em> ? <em>S</em> is a conformal involution with exactly 2<em>?</em> + 2 - 4<em>?</em>  fixed points. These characterizations are given by Schottky groups, special hyperbolic polygons and algebraic curves.</p><p>These can be seen as generalizations of the works [5] and [11].</p>}, number={1}, journal={Proyecciones (Antofagasta, On line)}, author={Hidalgo, Rubén A.}, year={2018}, month={Apr.}, pages={77-117} }