Journal of the Egyptian Mathematical Society (Jul 2014)

Fekete-Szegö inequalities for p-valent starlike and convex functions of complex order

  • M.K. Aouf,
  • R.M. EL-Ashwah,
  • H.M. Zayed

DOI
https://doi.org/10.1016/j.joems.2013.06.012
Journal volume & issue
Vol. 22, no. 2
pp. 190 – 196

Abstract

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In this paper, we obtain Fekete-Szegö inequalities for certain class of analytic p-valent functions f(z) for which 1+1b1pz(f∗g)′(z)+λz2(f∗g)″(z)(1-λ)(f∗g)(z)+λz(f∗g)′(z)-1≺φ(z)(b∈C∗=C⧹{0}). Sharp bounds for the Fekete-Szegö functional |ap+2-μap+12| are obtained.

Keywords