Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
468745 | Computers & Mathematics with Applications | 2011 | 9 Pages |
Abstract
In this paper, the concepts of Janowski functions and the conic regions are combined to define a new domain which represents the conic type regions. Different views of this modified conic domain for specific values are shown graphically for better understanding of the behavior of this domain. The class of such functions which map the open unit disk EE onto this modified conic domain is defined. Also the classes of kk-uniformly Janowski convex and kk-Janowski starlike functions are defined and their coefficient inequalities are formulated. The coefficient bound for a certain class of analytic functions, proved by Owa et al. (2006) in [16], has also been improved.
Keywords
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Physical Sciences and Engineering
Computer Science
Computer Science (General)
Authors
Khalida Inayat Noor, Sarfraz Nawaz Malik,