Abstract
In the present and in the following chapters we shall concern ourselves with the theory of those analytic functions that are of rational character, or as one expresses this more briefly, meromorphic at every point of a given schlicht region G. Such a function w = w(z) is hence regular in G except for poles; if the latter are infinite in number, they accumulate toward the boundary Γ of G. We shall further restrict ourselves to the simplest case, where G is simply connected; by the mono-dromy theorem, w(z) is then single-valued in G.
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References
Cf. T. Carleman [1], F. and R. Nevanlinna [1].
J. L.Jensen [1].
R. Nevanlinna [4].
It should be noted that except for the one value a = w(0), this counting function is identical with the function N(r, a) introduced on p. 53.
Here we use Landau’s notation O (φ(r)) for any quantity that is bounded when divided by φ(r).
T. Shimizu [1], L. Ahlfors [2]. A. Bloch [2] had earlier hinted at the possibility of such an interpretation.
Cf. L. Ahlfors [8].
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© 1970 Springer-Verlag Berlin Heidelberg
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Nevanlinna, R. (1970). The First Main Theorem in the Theory of Meromorphic Functions. 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_7
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DOI: https://doi.org/10.1007/978-3-642-85590-0_7
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