Subordination and superordination of a certain integral operator on meromorphic functions
نویسندگان
چکیده
منابع مشابه
Subordination and Superordination–preserving Properties of Certain Integral Operator
In the present investigation, we obtain subordination and superordination – preserving properties of certain integral operator with the sandwich type theorem.
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We denote by A the subclass of H a, 1 with the usual normalization f 0 f ′ 0 − 1 0, and denote by A the subclass ofA satisfying the condition h z h′ z / 0 for z ∈ U \ {0}. Let f and F be members of H. The function f is said to be subordinate to F, or F is said to be superordinate to f, if there exists a functionw analytic in Uwithw 0 0 and |w z | < 1 for z ∈ U and such that f z g w z z ∈ U . In...
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ژورنال
عنوان ژورنال: Computers & Mathematics with Applications
سال: 2010
ISSN: 0898-1221
DOI: 10.1016/j.camwa.2010.03.068