Greenberg's theorem and equivalence problem on compact Riemann surfaces
Satoru Mizuta and Makoto Namba
Source: Osaka J. Math. Volume 43, Number 1
(2006), 137-178.
Abstract
Another proof of Greenberg's theorem on automorphism groups of compact \mboxRiemann surfaces is given. Using the idea of the proof, the equivalence problem for finite Galois coverings of the compact projective line is answered affirmatively, except special type of coverings.
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Permanent link to this document: http://projecteuclid.org/euclid.ojm/1146242999
Mathematical Reviews number (MathSciNet): MR2222406
Zentralblatt MATH identifier: 1105.14039
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