paper 23-18-2009. 159KB Jun 04 2011 12:03:08 AM
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Completely monotonic functions involving special functions are very important because they produce sharp bounds for the polygamma functions.. Recently, Qiu and Vuorinen obtained in
We define and investigate a new class of harmonic multivalent functions defined by S˘ al˘ agean integral operator.. We obtain coefficient inequalities and distortion bounds for
Differential subordination and superordination results are obtained for analytic functions in the open unit disk which are associated with an intregral op- erator.. These results
Alb Lupa¸s, On sufficient conditions for certain subclass of analytic functions defined by differential S˘ al˘ agean operator, International Journal of Open Problem in Complex
Khan, On approximation in weighted spaces of continuous vector- valued functions , Glasgow Math.. Khan
Key words : Analytic functions, Starlike functions, Convex function, Nega- tive
In this paper we consider an integral operator on analytic functions and prove some preserving theorems regarding some subclasses of analytic functions with negative coefficients..
The purpose of this paper is to derive certain results on mul- tivalent functions in the open unit disc involving Wright Hypergeometric func- tion operator W m.. p.l
