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CONFORMAL VERSUS TOPOLOGICAL CONJUGACY OF AUTOMORPHISMS ON COMPACT RIEMANN SURFACES
Published online by Cambridge University Press: 01 May 1997
Abstract
We produce a family of algebraic curves (closed Riemann surfaces) Sλ admitting two cyclic groups H1 and H2 of conformal automorphisms, which are topologically (but not conformally) conjugate and such that S/Hi is the Riemann sphere [Copf ]ˆ. The relevance of this example is that it shows that the subvarieties of moduli space consisting of points parametrizing curves which occur as cyclic coverings (of a fixed topological type) of [Copf ]ˆ need not be normal.
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- © The London Mathematical Society 1997
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