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In this work we will find the minimun genus of a compact non orientable Riemann Surface, having a. given. Cyclic group of . automorphisms . For this we caracterize the proper N.E.C . groups for which there is a non-orientable Surface-Kernel homomorphism . In the last part of this paper we give a bound depending on: the genus, for the order of the cyclic groups of automorphisms of compact Klein Surfaces without boundary, and cyclic groups of automorphisms reaching the bound are obtaine

Grupos cíclicos de automorfismos de superficies de Riemann compactas y no orientables