International Journal of Mathematics and Mathematical Sciences (Jan 1999)

On a class of univalent functions

  • Dinggong Yang,
  • Jinlin Liu

DOI
https://doi.org/10.1155/S0161171299226051
Journal volume & issue
Vol. 22, no. 3
pp. 605 – 610

Abstract

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We consider the class of univalent functions defined by the conditions f(z)/z≠0 and |(z/f(z))′​′|≤α,|z|<1, where f(z)=z+⋯ is analytic in |z|<1 and 0<α≤2.

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