Sharp Bounds for the Second Hankel Determinant of Logarithmic Coefficients for Strongly Starlike and Strongly Convex Functions
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DOI: 10.3390/axioms11080369
Abstract: The logarithmic coefficients are very essential in the problems of univalent functions theory. The importance of the logarithmic coefficients is due to the fact that the bounds on logarithmic coefficients of f can transfer to… read more here.
Keywords: logarithmic coefficients; bounds second; hankel determinant; sharp bounds ... See more keywords
Second Hankel Determinant for a New Subclass of Bi-Univalent Functions Related to the Hohlov Operator
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DOI: 10.3390/axioms12050433
Abstract: A new subclass of bi-univalent functions associated with the Hohlov operator is introduced. Certain properties such as the coefficient bounds, Fekete-Szegö inequality and the second Hankel determinant for functions in the subclass are obtained. In… read more here.
Keywords: univalent functions; new subclass; hohlov operator; subclass univalent ... See more keywords
Second Hankel Determinant and Fekete-Szegö Problem for a New Class of Bi-Univalent Functions Involving Euler Polynomials
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DOI: 10.3390/sym16050530
Abstract: Orthogonal polynomials have been widely employed by renowned authors within the context of geometric function theory. This study is driven by prior research and aims to address the —Fekete-Szegö problem. Additionally, we provide bound estimates… read more here.
Keywords: univalent functions; euler polynomials; szeg problem; hankel determinant ... See more keywords