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Proceedings of the American Mathematical Society

ISSN 1088-6826(online) ISSN 0002-9939(print)

 
 

 

Boundary behavior of starlike functions


Author: P. J. Eenigenburg
Journal: Proc. Amer. Math. Soc. 33 (1972), 428-432
MSC: Primary 30A72
DOI: https://doi.org/10.1090/S0002-9939-1972-0293098-8
MathSciNet review: 0293098
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Abstract: For a starlike function f, we impose a geometric condition on the image of the open unit disc by the mapping $ w = zf'(z)/f(z)$ to insure that f be one-to-one on the closed unit disc. Applications are given to certain classes of univalent functions, including spiral-like functions.


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DOI: https://doi.org/10.1090/S0002-9939-1972-0293098-8
Keywords: Univalent function, starlike, convex
Article copyright: © Copyright 1972 American Mathematical Society

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