On the Fekete-Szegö problem by B. A. Frasin, Maslina Darus

Get full text

Fekete-Szegö Problems for Quasi-Subordination Classes by Maisarah Haji Mohd, Maslina Darus

Get full text

On Fekete-Szegö Problems for Certain Subclasses Defined by q-Derivative by Huda Aldweby, Maslina Darus

Get full text

Fekete-Szegö Problem for a New Class of Analytic Functions by Deepak Bansal

“…We consider the Fekete-Szegö problem with complex parameter 𝜇 for the class 𝑅𝜏𝛾(𝜙) of analytic functions.…”
Get full text

The Fekete-Szegö Problem for p-Valently Janowski Starlike and Convex Functions by Toshio Hayami, Shigeyoshi Owa

“…For p-valently Janowski starlike and convex functions defined by applying subordination for the generalized Janowski function, the sharp upper bounds of a functional |ap+2−μa2p+1| related to the Fekete-Szegö problem are given.…”
Get full text

Fekete–Szegö Problems for Certain Classes of Meromorphic Functions Involving q-Al-Oboudi Differential Operator by M.K. Aouf, Fatma Z. El-Emam

Get full text

Coefficient Estimate and Fekete-Szeg\"{o} Problems for Certain New Subclasses of Bi-univalent Functions Defined by Generalized Bivariate Fibonacci Polynomial by Rumeysa Öztürk, İbrahim Aktaş

“…Bounds for coefficients $\left|a_{2}\right|$ and $\left|a_{3}\right|$ of functions in these subclasses are estimated in terms of generalized Bivariate Fibonacci polynomials. In addition, the Fekete-Szeg\"{o} problem is handled for the members of these subclasses and several consequences and examples of the main results are presented. …”
Get full text

Fekete-Szegö Functional for Bi-univalent Functions Related with Gegenbauer Polynomials by Ibrar Ahmad, Syed Ghoos Ali Shah, Saqib Hussain, Maslina Darus, Babar Ahmad

“…We also study the famous Fekete-Szegö type problem for this subclass which is obtained. …”
Get full text

Some Properties of Close-To-Convex Functions Associated with A Strip Domain by Kadhavoor Karthikeyan, Seetharam Varadharajan, Sakkarai Lakshmi

“…Inclusion relations, geometrical interpretation, coefficient estimates, inverse function coefficient estimates and solution to the Fekete-Szeg\H{o} problem of the defined class are our main results.  …”
Get full text

Some Sharp Results on Coefficient Estimate Problems for Four-Leaf-Type Bounded Turning Functions by Pongsakorn Sunthrayuth, Yousef Jawarneh, Muhammad Naeem, Naveed Iqbal, Jeevan Kafle

Get full text

Elevated CA-125 as Humoral Biomarker of Congestive Heart Failure: Illustrative Cases and a Short Review of Literature by Attila Frigy, Boglárka Belényi, Ádám Kirchmaier, Nándor Fekete, István Adorján Szabó

Get full text

On Certain Class of Bazilevič Functions Associated with the Lemniscate of Bernoulli by Tamer M. Seoudy, Amnah E. Shammaky

“…Also, we obtain subordination properties, inclusion relationship, convolution result, coefficients estimate, and Fekete–Szegö problem for this class.…”
Get full text

Coefficient Bounds for a Certain Family of Biunivalent Functions Defined by Gegenbauer Polynomials by Isra Al-Shbeil, Abbas Kareem Wanas, Abdelkader Benali, Adriana Cătaş

“…We obtain estimates for initial coefficients and solve the Fekete–Szego¨ problem for functions that belong to this family. …”
Get full text

New Subclass of Analytic Function Involving q-Mittag-Leffler Function in Conic Domains by Saima Noor, Asima Razzaque

“…We investigate the number of useful properties such that structural formula, coefficient estimates, Fekete–Szego problem and subordination result. We also highlighted some known corollaries of our main results.…”
Get full text

Beta-Bazilevič Function by Sa'adatul Fitri, Mohamad Muslikh

“…Using Lemmas of function with positive real part, we were given a sharp estimate of coefficient problems. The coefficient problems to be solved are the modulus of initial coefficients $f$, the modulus of inverse coefficients $f^{-1}$, the modulus of the Logarithmic coefficients $\log \frac{f(z)}{z}$, the Fekete-Szeg\"{o} problem and the second Hankel determinant problem.…”
Get full text

Coefficient Estimates and Other Properties for a Class of Spirallike Functions Associated with a Differential Operator by Halit Orhan, Dorina Răducanu, Murat Çağlar, Mustafa Bayram

“…Our main object is to provide sharp upper bounds for Fekete-Szegö problem in . We also find sufficient conditions for a function to be in this class. …”
Get full text

On Certain Classes of p-Valent Functions by Using Complex-Order and Differential Subordination by Abdolreza Tehranchi, Adem Kılıçman

“…Further we define a new related integral operator and also study the Fekete-Szego problem by proving some interesting properties.…”
Get full text

New Subclass of Analytic Function Related with Generalized Conic Domain Associated with q− Differential Operator by Shahid Khan, Saqib Hussain, Ilyas Khan, Amnah s. Al-johani, Mulugeta Andualem

“…For this class, we investigate structural formula, coefficient estimates, sufficient condition, Fekete–Szegö problem, and also some subordination results.…”
Get full text

The Sharp Upper Bounds of the Hankel Determinant on Logarithmic Coefficients for Certain Analytic Functions Connected with Eight-Shaped Domains by Pongsakorn Sunthrayuth, Naveed Iqbal, Muhammad Naeem, Yousef Jawarneh, Sallieu K. Samura

“…The present study’s intention is to produce exact estimations of some problems involving logarithmic coefficients for functions belonging to the considered subcollection BTsin of the bounded turning class. …”
Get full text

Starlikeness associated with parabolic regions by Rosihan M. Ali

“…There exist different extremal functions for these coefficient problems. Additionally, we obtain a sharp estimate for the Fekete-Szegö coefficient functional and investigate convolution properties for PS∗(ρ).…”
Get full text