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Classification of regular maps of negative prime Euler characteristic
Authors:Antonio Breda d'Azevedo  Roman Nedela  Jozef Sirá  n
Institution:Departamento de Matematica, Universidade de Aveiro, Aveiro, Portugal ; Institute of Mathematics, Slovak Academy of Science, Banská Bystrica, Slovakia ; Department of Mathematics, SvF, Slovak Univ. of Technology, Bratislava, Slovakia
Abstract:We give a classification of all regular maps on nonorientable surfaces with a negative odd prime Euler characteristic (equivalently, on nonorientable surfaces of genus $p+2$ where $p$is an odd prime). A consequence of our classification is that there are no regular maps on nonorientable surfaces of genus $p+2$where $p$ is a prime such that $p\equiv 1$ (mod $12$) and $p\ne 13$.

Keywords:Regular maps  nonorientable surfaces  quotients of triangle groups  prime Euler characteristic
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