Vol. 211, No. 1, 2003
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Computation of some moduli spaces of covers and explicit Sn and An regular Q(T)-extensions with totally real fibers

Emmanuel Hallouin & Emmanuel Riboulet-Deyris

Abstract

We study and compute an infinite family of Hurwitz spaces parameterizing covers of P1 <b>C</b> branched at four points and deduce explicit regular Sn and An-extensions over Q(T) with totally real fibers.
Authors
Emmanuel Hallouin
Univerité de Toulouse II, le Mirail
Département Mathématiques - Informatique (Equipe G.R.I.M.M.)
5, Allées Antonio-Machado
31058 Toulouse Cedex 9
France
Emmanuel Riboulet-Deyris
Univerité de Toulouse II, le Mirail
Département Mathématiques - Informatique (Equipe G.R.I.M.M.)
5, Allées Antonio-Machado
31058 Toulouse Cedex 9
France