Results 1 to 10 of about 308 (156)

On Logarithmic and Inverse Coefficients for Sakaguchi-Type Starlike Functions Subordinated to a Petal-Shaped Domain

Journal of Function Spaces
MSC2020 Classification: 30C45, 30C50 ...
Adel A. Attiya, Mohammad El-Ityan, Muhammad Abbas, Muntasir Suhail, Daniel Breaz   +4 more
doaj   +2 more sources

On a Class of Analytic Univalent Functions Associated with (H-R) Fractional Derivative [PDF]

Muthanna Journal of Pure Science
In this paper, we introduced a class of analytic functions defined by (H–R) fractional derivative defined in the unit disk, we obtained coefficient bounded, so we obtained some theorems of this class. 2000Mathematics Subject classification: 30C45.
Rafid H. Buti
doaj   +2 more sources

On Harmonic Univalent Functions Defined by Dziok-Srivastava Operator

Tikrit Journal of Pure Science, 2022
The purpose of this work is to present a class of harmonic univalent functions defined by the Dziok-Srivastava operator. Some geometric properties like coefficients conditions, distortion theorem, convolution (Hadamard product), convex combination and ...
Mays S. Abdul Ameer, Abdul Rahman S. Juma, Raheam A. Al-Saphory   +2 more
doaj   +1 more source

Sufficient conditions for univalence obtained by using the Ruscheweyh-Bernardi differential-integral operator [PDF]

, 2023
In this paper we introduce the Ruscheweyh-Bernardi differential integral operator. Mathematics Subject Classification (2010): 30C20, 30C45. Received 09 July 2020; Accepted 01 June 2021.
OROS, Georgia Irina, Georgia Irina Oros
core   +1 more source

Extension operators and Janowski starlikeness with complex coe cients [PDF]

, 2023
In this paper, we obtain certain generalizations of some results from [13] and [14]. Mathematics Subject Classification (2010): 32H02, 30C45.
Andra Manu, MANU, Andra
core   +1 more source

Partial sums and inclusion relations for analytic functions involving (p, q)-differential operator

Open Mathematics, 2021
Let fk(z)=z+∑n=2kanzn{f}_{k}\left(z)=z+{\sum }_{n=2}^{k}{a}_{n}{z}^{n} be the sequence of partial sums of the analytic function f(z)=z+∑n=2∞anznf\left(z)=z+{\sum }_{n=2}^{\infty }{a}_{n}{z}^{n}.
Tang Huo, Vijaya Kaliappan, Murugusundaramoorthy Gangadharan, Sivasubramanian Srikandan   +3 more
doaj   +1 more source

A Note on Meromorphic Functions Associated With Beseel Function Defined by Hilbert Sapce Operator

Concrete Operators, 2021
In this paper,we introduce and study a new subclass of meromorphic functions associated with a certain differential operator on Hilbert space. For this class, we obtain several properties like the coefficient inequality, growth and distortion theorem ...
Venkateswarlu B., Reddy P. Thirupathi, Shilpa R. Madhuri, Swapna G.   +3 more
doaj   +1 more source

Sandwich-type results regarding Riemann-Liouville fractional integral of q-hypergeometric function

Demonstratio Mathematica, 2023
The study presented in this article involves q-calculus connected to fractional calculus applied in the univalent functions theory. Riemann-Liouville fractional integral of q-hypergeometric function is defined here, and investigations are conducted using
Alb Lupaş Alina, Oros Georgia Irina
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Results on a class of analytic functions with finitely many fixed coefficients related to a generalised multiplier transformation

Scientific African, 2022
A new class of univalent functions denoted by Tm(ξ,ϖ,σ,en) is defined and studied in this work. The class of functions Tm(ξ,ϖ,σ,en) generalises certain previously introduced classes of functions in the literature.
M.O. Oluwayemi, Alb Lupaş Alina, Adriana Cătaş   +2 more
doaj   +1 more source

A new family of analytic functions associated with multiplier transformation

Scientific African, 2021
Some geometric properties of a certain univalent function in the unit disk are considered in this work and the results extend some known results in the literature.
M.O. Oluwayemi, Imran Faisal
doaj   +1 more source