Alternating groups as automorphism groups of Riemann surfaces



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Etayo Gordejuela, J. Javier and Martínez García, Ernesto (2006) Alternating groups as automorphism groups of Riemann surfaces. International Journal of Algebra and Computation, 16 (1). pp. 91-98. ISSN 0218-1967

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In this work we give pairs of generators (x, y) for the alternating groups An, 5 ≤ n ≤ 19, such that they determine the minimal genus of a Riemann surface on which An acts as the automorphism group. Using these results we prove that A15 is the unique of these groups that is an H*-group, i.e., the groups achieving the upper bound of the order of an automorphism group acting on non-orientable unbordered surfaces.

Item Type:Article
Uncontrolled Keywords:Automorphisms; Fuchsian groups and their generalizations; Compact Riemann surfaces and uniformization; Klein surfaces
Subjects:Sciences > Mathematics > Algebraic geometry
ID Code:15792
Deposited On:28 Jun 2012 09:30
Last Modified:28 Jun 2012 09:30

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