Third Hankel determinant for reciprocal of bounded turning function has a positive real part of order alpha

Bolineni Venkateswarlu, Nekkanti Rani

Abstract


The objective of this paper is to obtain an upper bound to
the third Hankel determinant denoted by |H3(1)| for certain subclass of univalent
functions, using Toeplitz determinants


Keywords


univalent function, upper bound, function whose reciprocal derivative has a positive real part, Hankel determinant, positive real function, Toeplitz determinants

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DOI: http://dx.doi.org/10.24193/subbmath.2017.3.06

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