Kyungpook Mathematical Journal

  • 제46권1호
  • /
  • Pages.131-137
  • /
  • 2006
  • /
  • 1225-6951(pISSN)
  • /
  • 0454-8124(eISSN)
경북대학교 자연과학대학 수학과 (Department of Mathematics, Kyungpook National University)
권호 표지

New Sufficient Conditions for Strongly Starlikeness and Strongly Convex Functions

  • 투고 : 2004.10.10
  • 발행 : 2006.03.23
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초록

The object of the present paper is to obtain new conditions for analytic function to be strongly starlike and strongly convex function defined in the open unit disk.

키워드

참고문헌

  1. L. J. Lin, On a criterion of starlikeness, Math. Japonica, 38(1993), 897-899.
  2. M. Nunokawa, On certain multivalent functions, Math. Japonica, 36(1991), 67-70.
  3. M. Nunokawa, S. Owa, H. Saitoh, N. E. Cho and N. Takahashi, Some properties of analytic functions at extermal points for arguments, preprint (2002).
  4. M. Obradovi'c and S. Owa, A criterion for starlikeness, Math. Nachr., 140(1989), 97-102. https://doi.org/10.1002/mana.19891400109
  5. N. Takahashi and M. Nunokawa, A certain connection between starlike and convex functions, Appl. Math. Lett., 66(2003), 653-655.