
handle: 11729/2911
The objective of the present paper is to study subclass S ? ?? ?? (A, B) of analytic functions that is defined by using the class of Janowski functions combined with the (j, k)-symmetrical functions. This class generalizes various classes defined by different authors. Distortion theorem, argument theorem, covering theorem,and convolution condition are obtained. Finally we give analogous definition of neighborhood for the class S ? ?? ?? (A, B) and then investigate related neighborhood result for this new class. The author would like to thank the anonymous referee for invaluable suggestions, which improved the presentation of this paper. I thank my colleagues from the Department of Mathematics and Statistics, College of Sciences, Yanbu, Taibah University. Publisher's Version
Hankel determinant, Janowski functions, Neighborhood, K-fold symmetric function, Differential subordination, Subordination, Starlike functions, (j, k)-symmetrical function
Hankel determinant, Janowski functions, Neighborhood, K-fold symmetric function, Differential subordination, Subordination, Starlike functions, (j, k)-symmetrical function
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