On a coefficient problem for bi-univalent functions [PDF]
The function f(z) will be called bi-univalent if both f(z) and f-'(z) are univalent in I zI < 1; f(z) will be said to belong to oiff (i) f(z) CS and (ii) there exists a function g(z) ES such that f(g(z)) =g(f(z)) = z in some neighborhood of the origin. Z. Nehari remarked1 that if 4(Z) =4lz+02z2+ ...
M. Lewin
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Coefficient estimates for certain subclass of bi-univalent functions [PDF]
In this paper, a subclass of bi-univalent functions is introduced using subordination. Estimates on the initial coefficients and the Fekete-Szego inequality are determined for functions in this subclass. The results would generalize the previous related works of several earlier authors.
Nurdiana Nurali +2 more
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Study of quantum calculus for a new subclass of bi-univalent functions associated with the cardioid domain [PDF]
In this article, we make use of the concepts of subordination and the q-calculus theory to analyze a new class of analytic bi-univalent functions associated to the cardioid domain.
Khaled Matarneh +4 more
doaj +2 more sources
Coefficient Estimates for New Subclasses of Meromorphic Bi-Univalent Functions. [PDF]
We introduce and investigate two new subclasses Mσα,λ and Mσβ,λ of meromorphic bi-univalent functions defined on Δ={z:z∈C,1<|z|<∞}. For functions belonging to these classes, estimates on the initial coefficients are obtained.
Bulut S.
europepmc +6 more sources
Coefficient Estimates for Certain Classes of Bi-Univalent Functions
A function analytic in the open unit disk is said to be bi-univalent in if both the function and its inverse map are univalent there. The bi-univalency condition imposed on the functions analytic in makes the behavior of their coefficients ...
Jay M. Jahangiri, Samaneh G. Hamidi
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New subclasses of bi-univalent functions
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Frasin, B.A., Aouf, M.K.
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An application of the Mittag-Leffler-type Borel distribution and Gegenbauer polynomials on a certain subclass of bi-univalent functions. [PDF]
The Mittag-Leffler-type Borel distribution is widely recognized and utilized as a beneficial and pertinent model across numerous applications. This study presents a new subclass of normalized analytic bi-univalent functions that combines Gegenbauer ...
Hussen A.
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The Miller-Ross Poisson distribution and its applications to certain classes of bi-univalent functions related to Horadam polynomials. [PDF]
Within the scope of this research, we introduce a novel category of bi-univalent functions. Horadam polynomials are utilized to characterize these functions by utilizing series from the Poisson distribution of the Miller-Ross type.
Alnajar O +4 more
europepmc +2 more sources
Investigating New Inclusive Subclasses of Bi-Univalent Functions Linked to Gregory Numbers
In this article, we introduce three inclusive subclasses YΓ(κ, η, σ), WΓ(α, φ) and KΓ(α, φ) of the class of bi-univalent functions utilizing Gregory numbers.
T. Al-Hawary +3 more
semanticscholar +2 more sources
In this present paper, we define a new operator in conjugation with the basic (or q-) calculus. We then make use of this newly defined operator and define a new class of analytic and bi-univalent functions associated with the q-derivative operator ...
Timilehin Gideon Shaba +5 more
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