Some concavity properties for general integral operators

نویسندگان

  • I. Aldawish School of Mathematical Sciences‎, ‎Faculty of Science and Technology‎, ‎Universiti Kebangsaan Malaysia‎, ‎43600 UKM Bangi‎ ‎Selangor DE‎, ‎Malaysia
  • M. Darus School of Mathematical Sciences‎, ‎Faculty of Science and Technology‎, ‎Universiti Kebangsaan Malaysia‎, ‎43600 UKM Bangi‎ ‎Selangor DE‎, ‎Malaysia
  • R. W. Ibrahim Institute of Mathematical Sciences‎, ‎Universiti Malaya‎, ‎50603‎, ‎Malaysia.
چکیده مقاله:

Let $C_0(alpha)$ denote the class of concave univalent functions defined in the open unit disk $mathbb{D}$. Each function $f in C_{0}(alpha)$ maps the unit disk $mathbb{D}$ onto the complement of an unbounded convex set. In this paper, we study the mapping properties of this class under integral operators.

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some concavity properties for general integral operators

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عنوان ژورنال

دوره 41  شماره 5

صفحات  1085- 1092

تاریخ انتشار 2015-10-01

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