Four-punctured spheres
The four-punctured sphere can be viewed as a Riemann surface. It is then the quotient of the hyperbolic plane H by a Fuchsian group with signature [0; oo4]. In Chapter 1 we introduce Riemann surfaces and Fuchsian groups, in particular the subgroups of the modular group and Hecke groups. In Chapter 2...
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University of Southampton
1999
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| Online Access: | https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.323881 |