Estimation of the Second-Order Hankel Determinant of Logarithmic Coefficients for Two Subclasses of Starlike Functions
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DOI: 10.3390/sym14102039
Abstract: In our present study, two subclasses of starlike functions which are symmetric about the origin are considered. These two classes are defined with the use of the sigmoid function and the trigonometric function, respectively. We… read more here.
Keywords: two subclasses; logarithmic coefficients; second order; order hankel ... See more keywords