On a new subclass of bi-univalent functions satisfying subordinate conditions

Altınkaya Ş., Yalcin S.

ACTA UNIVERSITATIS SAPIENTIAE-MATHEMATICA, vol.7, no.1, pp.5-14, 2015 (ESCI) identifier identifier


In the present investigation, we find estimates on the coefficients |a(2)| and |a(3)| for functions in the function class S-Sigma (lambda, phi). The results presented in this paper improve or generalize the recent work of Magesh and Yamini [15].