ON A CERTAIN SUBCLASS OF HARMONIC UNIVALENT FUNCTIONS DEFINED Q-DIFFERENTIAL OPERATOR
نویسندگان
چکیده
منابع مشابه
On Integral Operator and Argument Estimation of a Novel Subclass of Harmonic Univalent Functions
Abstract. In this paper we define and verify a subclass of harmonic univalent functions involving the argument of complex-value functions of the form f = h + ¯g and investigate some properties of this subclass e.g. necessary and sufficient coefficient bounds, extreme points, distortion bounds and Hadamard product.Abstract. In this paper we define and verify a subclass of harmonic univalent func...
متن کاملOn a linear combination of classes of harmonic $p-$valent functions defined by certain modified operator
In this paper we obtain coefficient characterization, extreme points and distortion bounds for the classes of harmonic $p-$valent functions defined by certain modified operator. Some of our results improve and generalize previously known results.
متن کاملOn a New Subclass of Harmonic Univalent Functions Defined by Fractional Calculus Operator
The purpose of the present paper is to establish some results involving coefficient conditions, distortion bounds, extreme points, convolution, convex combinations and neighborhoods for a new class of harmonic univalent functions in the open unit disc. We also discuss a class preserving integral operator. Relevant connections of the results presented here with various known results are briefly ...
متن کاملOn a Subclass of Univalent Functions Defined by a Generalized Differential Operator
n=2 anz n which are analytic in the open unit disk U := {z ∈ C : |z| < 1}. By S and C we denote the subclasses of functions in A which are univalent and convex in U, respectively. Let P be the well-known Carathéodory class of normalized functions with positive real part in U and let P(λ), 0 ≤ λ < 1 be the subclass of P consisting of functions with real part greater than λ. The Hadamard product ...
متن کاملOn a Subclass of Harmonic Univalent Functions
The class of univalent harmonic functions on the unit disc satisfying the condition ∑∞ k=2 (k m − αk)(|ak|+ |bk|) ≤ (1−α)(1−|b1|) is given. Sharp coefficient relations and distortion theorems are given for these functions. In this paper we find that many results of Özturk and Yalcin [5] are incorrect. Some of the results of this paper correct the theorems and examples of [5]. Further, sharp coe...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: JOURNAL OF MECHANICS OF CONTINUA AND MATHEMATICAL SCIENCES
سال: 2019
ISSN: 0973-8975,2454-7190
DOI: 10.26782/jmcms.2019.12.00004