Coefficient Estimates in a Class of Strongly Starlike Functions

DOI QR코드

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Sokol, Janusz

  • 투고 : 2008.07.14
  • 심사 : 2008.09.12
  • 발행 : 2009.06.30

초록

In this paper we consider some coefficient estimates in the subclass $SL^*$ of strongly starlike functions defined by a certain geometric condition.

키워드

analytic functions;starlike functions;k-starlike functions;strongly starlike functions

참고문헌

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  2. S. Kanas, A. Wisniowska, Conic regions and k-uniform convexity, J. Comput Appl. Math., 105(1999) 327-336. https://doi.org/10.1016/S0377-0427(99)00018-7
  3. F. Ronning, Uniformly convex functions and a corresponding class of starlike functions, Proc. Amer. Math. Soc., 118(1993) 189-196. https://doi.org/10.1090/S0002-9939-1993-1128729-7
  4. J. Sokol, J. Stankiewicz, Radius of convexity of some subclasses of strongly starlike functions, Folia Scient. Univ. Tech. Res., 19(1996) 101-105.
  5. J. Stankiewicz, Quelques problemes extremaux dans les classes des fonctions $\alpha$ -angulairement etoilees, Ann. Univ. Mariae Curie-Sklodowska, Sect. A, 20(1966) 59-75.

피인용 문헌

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