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Upper bound of second Hankel determinant of subclass of bi-univalent functions defined by subordination
Alaa H. El-Qadeem, Mohamed A. Mamon
In this paper, new class of bi-univalent functions are introduced. Upper bound of the second Hankel determinant of subclass of bi-univalant functions class , which de…
Some Aspect of Certain two Subclass of Analytic Functions with Negative Coefficients Defined by Rafid Operator
Alaa H. El-Qadeem, Sameerah K. Al-ghazal
In this paper, we define the subclasses and of analytic functions in the open unit disc of complex plain. Then the neighborhood propertie…
On a Subclass of p-Valent Functions with Negative Coefficients Defined by Using Rafid Operator
A. H. El-Qadeem, S. K. Al-ghazal
By using Rafid operator we define the subclass and of analytic and p-valent functions with negative coefficients we investigate some sharp re…
Some Characterizations on the Normalized Lommel, Struve and Bessel Functions of the First Kind
Rabha M. El-Ashwah, Alaa H. El-Qadeem
In this paper, we introduce new technique for determining some necessary and sufficient conditions of the normalized Bessel functions , normalized Struve functions and n…
Certain Geometric Properties of Some Bessel Functions
Rabha M. El-Ashwah, Alaa H. El-Qadeem
In this paper, we determine necessary and sufficient conditions for the generalized Bessel function to be in certain subclasses of starlike and convex functions. Also, we obtain se…