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A gap condition for the zeroes of certain polynomials in Kaplan classes K(α, β)
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Geometric function theory
Published online by Cambridge University Press: 26 February 2010
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For α≥0 and β≥0 we denote by K (α, β) the Kaplan classes of functions f analytic and non-zero in the open unit disk U = {z: |z| < 1} such that f ∈ K(α, β), if, and only if, for θ1 < θ2 < θ1 + 2π and 0 < r < 1,
Where
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- Copyright © University College London 1987
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