Radius problems for functions associated with a nephroid domain

Let S Ne ∗ be the collection of all analytic functions f ( z ) defined on the open unit disk D and satisfying the normalizations f ( 0 ) = f ′ ( 0 ) - 1 = 0 such that the quantity z f ′ ( z ) / f ( z ) assumes values from the range of the function φ Ne ( z ) : = 1 + z - z 3 / 3 , z ∈ D , which is th...

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Veröffentlicht in:	Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A, Matemáticas Físicas y Naturales. Serie A, Matemáticas, 2020-10, Vol.114 (4), Article 178
Hauptverfasser:	Wani, Lateef Ahmad, Swaminathan, Anbhu
Format:	Artikel
Sprache:	eng
Schlagworte:	Analytic functions Applications of Mathematics Mathematical and Computational Physics Mathematics Mathematics and Statistics Original Paper Sharpness Theoretical
Online-Zugang:	Volltext
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