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On branched covering of compact Riemann surfaces with automorphisms

  • Autores: Gustavo Labbe Morales
  • Localización: Proyecciones: Journal of Mathematics, ISSN 0716-0917, ISSN-e 0717-6279, Vol. 16, Nº. 2, 1997, págs. 141-156
  • Idioma: inglés
  • DOI: 10.22199/S07160917.1997.0002.00004
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  • Resumen
    • In this work, we give an algorithm to count the different conformal equivalence classes of compact Riemann surfaces that admit a group of automorphisms isomorphic to Z/nZ, n ∊ N, and that are branched coverings ofthe Riemann sphere, with signature ((n, 0); m1 ,m2 ,m3 ), m1 ,m2,m3 ∊ N.By using the previous result, we count the different conformal equivalence classes of compact Riemann surfaces in the cases of coverings with signature ((p, 0); p, p, p), p ≥ 5 and prime, and signature ((p2, 0); p2 , p2 , p), p  ≥ 3 and prime.

  • Referencias bibliográficas
    • Citas [1] H. Beiler, Recreation in the theory of numbers, Dover Publications, Inc., N.Y., (1966).
    • [2] W.J. Harvey, On branch loci in Teichmüller space, Trans. of the Amer. Math. Soc., 153, pp. 387-399, (1971)
    • [3] S. Lefschetz, Select Papers, Chelsea, New York, (1971).
    • [4] E. K. Lloyd, Riemann surface transformation groups, Journal of Combinatoria! Theory, 17-27, (1972).
    • [5] G. Springer, Introduction to Riemann surface, Addison-Wesley Publishing Company, Inc., (1957).
    • [6] C. L. Tretkoff and M. D. Tretkoff, Combinatorial group theory, Riemann surface and differential equations.

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