Results 51 to 60 of about 101,039,394 (126)

Bazilevic functions of type β

International Journal of Mathematics and Mathematical Sciences, 1982
In this paper, a new coefficient result for the Bazileviĉ functions of type β is obtained.
K. Inayat Noor
doaj   +1 more source

On Some Problems of Strongly Ozaki Close-to-Convex Functions

Journal of Function Spaces, 2020
The purpose of the current paper is to investigate some geometric properties of the class FOν,γ, called strongly Ozaki close-to-convex functions, such as strongly starlikeness and close-to-convexity.
Zahra Maleki, Saeid Shams, Ali Ebadian, Ebrahim Analouei Adegani   +3 more
doaj   +1 more source

Criteria for a certain class of the Carathéodory functions and their applications

Journal of Inequalities and Applications, 2020
In this paper, we obtain some potentially useful conditions (or criteria) for the Carathéodory functions as a certain class of analytic functions by applying Nunokawa’s lemma.
Nak Eun Cho, H. M. Srivastava, Ebrahim Analouei Adegani, Ahmad Motamednezhad   +3 more
doaj   +1 more source

The Geometric Characterizations of the Ramanujan-Type Entire Function

Mathematics
In the present paper, we present certain geometric properties, such as starlikeness, convexity of order η(0 ...
Khaled Mehrez, Abdulaziz Alenazi
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On radii of convexity and starlikeness of some classes of analytic functions

International Journal of Mathematics and Mathematical Sciences, 1991
Let P[A,B], −1 ...
Khalida Inayat Noor
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Janowski Type q-Convex and q-Close-to-Convex Functions Associated with q-Conic Domain

Mathematics, 2020
Certain new classes of q-convex and q-close to convex functions that involve the q-Janowski type functions have been defined by using the concepts of quantum (or q-) calculus as well as q-conic domain
Muhammad Naeem, Saqib Hussain, Shahid Khan, Tahir Mahmood, Maslina Darus, Zahid Shareef   +5 more
doaj   +1 more source

LOGARITHMIC COEFFICIENTS OF SOME CLOSE-TO-CONVEX FUNCTIONS [PDF]

Bulletin of the Australian Mathematical Society, 2016
The logarithmic coefficients$\unicode[STIX]{x1D6FE}_{n}$of an analytic and univalent function$f$in the unit disc$\mathbb{D}=\{z\in \mathbb{C}:|z|<1\}$with the normalisation$f(0)=0=f^{\prime }(0)-1$are defined by$\log (f(z)/z)=2\sum _{n=1}^{\infty }\unicode[STIX]{x1D6FE}_{n}z^{n}$.
Ali, Md. Firoz, Vasudevarao, A.
openaire   +5 more sources

Study of Generalized q-Close-to-Convex Functions Related to Parabolic Domain

Journal of Function Spaces, 2023
The concepts of bounded boundary rotation and parabolic domain are used to define certain new classes of analytic functions such as V1,qm,g, R1,qm,g, T1,qm,g, and Q1,qγm,g,a. The difference of coefficients, necessary conditions, distortion bounds, radius
Khalida Inayat Noor, Alina Alb Lupas, Shujaat Ali Shah, Alanod M. Sibih, S. Abdel-Khalek   +4 more
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The Zalcman Conjecture for Close-to-Convex Functions [PDF]

Proceedings of the American Mathematical Society, 1988
Let S S be the class of functions
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A Study of Third Hankel Determinant Problem for Certain Subfamilies of Analytic Functions Involving Cardioid Domain

Mathematics, 2019
In the present article, we consider certain subfamilies of analytic functions connected with the cardioid domain in the region of the unit disk. The purpose of this article is to investigate the estimates of the third Hankel determinant for these ...
Lei Shi, Izaz Ali, Muhammad Arif, Nak Eun Cho, Shehzad Hussain, Hassan Khan   +5 more
doaj   +1 more source