The Alternating Groups and K3 Surfaces

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In this note, we consider all possible extensions G of a non-trivial perfect group H acting faithfully on a K3 surface X. The pair (X, G) is proved to be uniquely determined by G if the transcendental value of G is maximum. In particular, we have G/H < Z/(2) + Z/(2), if H is the alternating group A_5 and normal in G.
Journal of Pure and Applied Algebra (21 pages) to appear

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Algebraic Geometry, 14J28; 14J50; 14J30

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http://salesiana.dossiersoluciones.com/handle/123456789/75627

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0506610
 http://arxiv.org/abs/math/0506610

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arXiv