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Hankel determinants and meromorphic functions

Published online by Cambridge University Press:  26 February 2010

Ch. Pommerenke
Affiliation:
Technische Universitat, Berlin 12.
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Extract

Let G be a plane domain with ∞ ∊ G. Let E be the compact complement of G and cap E the logarithmic capacity. We shall assume that cap E = 1 and E ⊂ {|Z| ≤ R. Then R ≥ 1, with equality if and only if E is a closed disc.

Type
Research Article
Copyright
Copyright © University College London 1969

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