Open AccessCoefficient Estimates for Certain Subclasses of Biunivalent Functions Defined by Convolution
Author(s) -
R. Bhuvana Vijaya,
T. V. Sudharsan,
S. Sivasubramanian
Publication year - 2016
Publication title -
international journal of analysis
Language(s) - English
Resource type - Journals
eISSN - 2314-4998
pISSN - 2314-498X
DOI - 10.1155/2016/6958098
Subject(s) - algorithm , computer science , artificial intelligence
We introduce two new subclasses of the function class Σ of biunivalent functions in the open disc defined by convolution. Estimates on the coefficients a2 and a3 for the two subclasses are obtained. Moreover, we verify Brannan and Clunie’s conjecture a2≤2 for our subclasses
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