논문KCI 등재
On a subclass of certain starlike functions with negative coefficients
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Abstract
A certain subclass T_{Omega }(n,p,lambda ,alpha )of starlikefunctions in the unit disk is introduced. The object of thepresent paper is to derive several interesting properties offunctions belonging to the class T_{Omega }(n,p,lambda ,alpha). Coefficient inequalities, distortion theorems and closuretheorems of functions belonging to the class T_{Omega}(n,p,lambda ,alpha ) are determined. Also we obtain radii ofconvexity for the class T_{Omega }(n,p,lambda ,alpha ).Furthermore, integral operators and modified Hadamard products ofseveral functions belonging to the class T_{Omega }(n,p,lambda,alpha ) are studied here.
참고문헌 (8)
- "{\it On a subclass ofcertain starlike functions with negative coefficients}", pp.489~ (1991)
- "{\it Fractional calculus and certain starlike functions with negative coefficients}", (2), pp.9~ (1995)
- "{\it Certain classes of analytic and multivalent functions with negative coefficients}", (3), pp.353~ (1996)
- "{\it On a subclass of certain convex functions with negative coefficients}", (2-4), pp.341~3 (2003)
- "{\it Subclasses of univalent functions} Lecture Notes in Math", pp.362~ (1983), Springer-Verlag {\bf 1013}
- "{\it Convolutions of univalent functions with negative coefficients}", pp.99~ (1975), Univ
- "{\it Univalent functions with negative coefficients}", pp.109~ (1975)
- "{\it A note on certain classes of starlike functions}", pp.115~ (1987), Univ
관련 논문AI추천
On a Class of Analytic Functions Related to the Starlike FunctionsChunyi Gao, Shiqiong Zhou경북대학교 자연과학대학 수학과 · Kyungpook Mathematical Journal2005 · 제45권 제1호On a Class of Meromorphically p-Valent Starlike FunctionsDinggong Yang, Neng Xu한국수학교육학회 · 이론수학과 교직수학2005 · 제12권 제1호Certain subclasses of starlike and convex functions of order α with negative coefficientsN. Magesh, V. PRAMEELA장전수학회 · Proceedings of the Jangjeon Mathematical Society(장전수학회 논문집)2013 · 제16권 제3호On Certain Novel Subclasses of Analytic and Univalent FunctionsHuseyin Irmak, Ravinder Krishen Raina, Santosh Bhaurao Joshi경북대학교 자연과학대학 수학과 · Kyungpook Mathematical Journal2006 · 제46권 제4호On Certain Subclasses of Meromorphically Univalent FuntionsJ. PATEL, POULASTI SAHOO경북대학교 자연과학대학 수학과 · Kyungpook Mathematical Journal2002 · 제42권 제1호A Class of Multivalent Functions with Negative Coefficients Defined by ConvolutionK. G. Subramanian, M. H. Khan, R. M. Ali, V. Ravichandran대한수학회 · 대한수학회보2006 · 제43권 제1호
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