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Conformal Mapping of Simply and Multiply Connected Regions

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Analytic Functions

Abstract

The group of one-to-one conformai mappings of the extended plane onto itself is given analytically by the set of linear fractional transformations of the form

$$S\left( z \right) = \frac{{az + b}}{{cz + d}}\quad \left( {ad - bc \ne 0} \right) $$
((1.1))

.

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References

  1. R. Nevanlinna [12].

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  2. One says that a Jordan are γ belonging to the boundary Γ is “free” provided none of its interior points is a point of accumulation of boundary points lying exterior to γ.

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  3. A. Speiser [2], R. Nevanlinna [10], G. Elfving [1].

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  4. Cf. F. Nevanlinna [2].

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  5. It the boundary point a ν is the point at infinity, za ν in the above expression has to be replaced by 1/z.

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  6. Even for this particular choice of the curves q ν , both “halves” of a fundamental region are in general not reflections of one another. One can show that this is the case only when all the points a ν lie on a circle.

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  7. Cf. e.g. C. Carathéodory [4].

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© 1970 Springer-Verlag Berlin Heidelberg

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Nevanlinna, R. (1970). Conformal Mapping of Simply and Multiply Connected Regions. In: Eckmann, B., van der Waerden, B.L. (eds) Analytic Functions. Die Grundlehren der mathematischen Wissenschaften in Einzeldarstellungen, vol 162. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-85590-0_2

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  • DOI: https://doi.org/10.1007/978-3-642-85590-0_2

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-85592-4

  • Online ISBN: 978-3-642-85590-0

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