Coefficient Estimates of Some Classes of Univalent Functions using Subordination Principle

Olubunmi A.  Fadipe-Joseph; E. A.  Aina; E. O.  Titiloye

doi:10.34198/ejms.4120.111

Olubunmi A. Fadipe-Joseph Department of Mathematics, University of Ilorin, P. M. B. 1515, Ilorin, Nigeria
E. A. Aina Department of Mathematics, University of Ilorin, P. M. B. 1515, Ilorin, Nigeria
E. O. Titiloye Department of Mathematics, University of Ilorin, P. M. B. 1515, Ilorin, Nigeria

DOI: https://doi.org/10.34198/ejms.4120.111

Keywords: subordination principle, univalent functions, modified sigmoid function, Fekete-Szegö functional, Hankel determinant

Abstract

In this work, two classes T(b, λ) and V(b, λ) were defined. Coefficient bounds, Fekete-Szegö functional and Hankel determinants for the classes were obtained. The results obtained generalized some earlier ones.

References

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Coefficient Estimates of Some Classes of Univalent Functions using Subordination Principle

Abstract

References

E-ISSN : 2581-8147