Results 71 to 80 of about 140 (94)

Coefficient Bounds for Certain Subclasses of q-Starlike Functions

Mathematics, 2019
By making use of q-calculus, we define and investigate several new subclasses of bi-univalent mappings related to the q-Noor integral operator. The coefficient bounds | u 2 | , | u 3 | and the Fekete−Szegő problem u ...
Lin-Lin Fan, Zhi-Gang Wang, Shahid Khan, Saqib Hussain, Muhammad Naeem, Tahir Mahmood   +5 more
doaj   +1 more source

Coefficient estimates and Fekete-Szegö problem for some classes of univalent functions generalized to a complex order

Demonstratio Mathematica
In this article, we determine coefficient estimates and study the Fekete-Szegö problem for classes Λn(b){\Lambda }_{n}\left(b) and Λnc(b){\Lambda }_{n}^{c}\left(b), where bb is a nonzero complex order.
Aron Mihai
doaj   +1 more source

Texture analysis using Horadam polynomial coefficient estimate for the class of Sakaguchi kind function. [PDF]

Sci Rep, 2023
Priya H, Sruthakeerthi B.
europepmc   +1 more source

The Fekete-Szegö problem for a general class of bi-univalent functions satisfying subordinate conditions [PDF]

Sahand Communications in Mathematical Analysis, 2017
In this work, we obtain the Fekete-Szegö inequalities for the class $P_{Sigma }left( lambda ,phi right) $ of bi-univalent functions. The results presented in this paper improve the recent work of Prema and Keerthi [11].
Şahsene Altınkaya, Sibel Yalҫın
doaj  

Some New Subclasses of Bi-Univalent Functions Related to Quantum Calculus

Mathematics
The primary objective of this paper is to introduce and investigate several novel subclasses of bi-univalent functions associated with the q-calculus framework.
Renjie Guo, Sadia Riaz, Wajiha Bushra, Adeel Ahmad, Saqib Hussain, Saima Noor   +5 more
doaj   +1 more source

Fekete-Szegö inequalities for certain subclasses of meromorphic functions of complex order

Le Matematiche, 2013
In this paper, we obtain Fekete-Szegö inequalities for a certain class of meromorphic functions f(z). Sharp bounds for the Fekete-Szegö functional |a1-μa02|are obtained.
Rabha M. El-Ashwah, Mohamed K. Aouf, Hanaa M. Zayed   +2 more
doaj  

New class of symmetric starlike functions subordinate to the generating function of Gregory coefficients. [PDF]

PLoS One
Khan MF, Abaoud M, Ahmad N, Almuqrin MA.
europepmc   +1 more source

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On the Fekete–Szegö Problem for Meromorphic Functions Associated with p,q-Wright Type Hypergeometric Function

Symmetry, 2021
Adriana Cătaş, Cătaş Adriana
exaly  

Fekete-Szegö problem for univalent mappings in one and higher dimensions

Journal of Mathematical Analysis and Applications, 2022
Hidetaka Hamada, Gabriela Kohr, Mirela Kohr   +2 more
exaly  

Fekete–Szegő problem of strongly α-close-to-convex functions associated with generalized fractional operator

Georgian Mathematical Journal, 2023
Maslina Darus
exaly