tailieunhanh - Báo cáo hóa học: " On generalized Srivastava-Owa fractional operators in the unit disk"

Tuyển tập các báo cáo nghiên cứu về hóa học được đăng trên tạp chí hóa hoc quốc tế đề tài : On generalized Srivastava-Owa fractional operators in the unit disk | Ibrahim Advances in Difference Equations 2011 2011 55 http content 2011 1 55 o Advances in Difference Equations a SpringerOpen Journal RESEARCH Open Access On generalized Srivastava-Owa fractional operators in the unit disk Rabha W Ibrahim Correspondence rabhaibrahim@ Institute of MathematicalSciences University Malaya 50603 Kuala Lumpur Malaysia Springer Abstract This article introduces a generalization for the Srivastava-Owa fractional operators in the unit disk. Conditions are given for the fractional integral operator to be bounded in Bergman space. Some properties for the above operator are also provided. Moreover applications of these operators are posed in the geometric functions theory and fractional differential equations. 1 Introduction Recently the theory of fractional calculus has found interesting applications in the theory of analytic functions. The classical definitions of fractional operators and their generalizations have fruitfully been applied in obtaining for example the characterization properties coefficient estimates 1 distortion inequalities 2 and convolution structures for various subclasses of analytic functions and the works in the research monographs. In 3 Srivastava and Owa gave definitions for fractional operators derivative and integral in the complex z-plane C as follows Definition . The fractional derivative of order a is defined for a function fz by _ 1 d . z fit D f z d I fh dz 0 a 1 r 1 a dz 0 z z where the function fz is analytic in simply-connected region of the complex z-plane C containing the origin and the multiplicity of z - Z -a is removed by requiring log z -Z to be real when z - Z 0. Definition . The fractional integral of order a is defined for a function f z by 1 fz I f z -- 1 f z z z a 1dz a 0 r a 0 where the function f z is analytic in simply-connected region of the complex z-plane C containing the origin and the multiplicity of z - Z a-1 is removed by requiring

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