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On certain subclass of harmonic univalent functions defined by a generalized Ruscheweyh derivatives operator
Harmonic univalent functions Ruscheweyh derivative
2010/9/20
In this paper, the class SH(α, β; n, λ) of univalent harmonic and sense-preserving mappings in the unit disk is introduced. The distortion inequalities and extreme points for functions in the class SH...
On the Fekete-Szegö problem for concave univalent functions
the Fekete-Szegö problem concave univalent functions
2010/11/22
We consider the Fekete-Szeg\"o problem with real parameter $\lambda$ for the class $Co(\alpha)$ of concave univalent functions.
On new subclass of analytic univalent functions for operator on Hilbert space
Analytic function Hilbert space
2010/9/13
In the present paper, the authors introduce and study new subclass of normalized analytic univalent function S∗w (k, β) for some operator on Hilbert space.
Some Applications of the Generalized Bernardi-Libera-Livingston Integral Operator on Univalent Functions
Analytic function Integral operator Univalent function
2010/4/16
In this paper by making use of the generalized Bernardi-Libera-Livingston integral operator we introduce and study some new subclasses of univalent functions. Also we investigate the relations between...
Subclass of univalent functions with negative coefficients and starlike with respect to symmetric and conjugate points
Analytic functions univalent functions starlike with respect to symmetric points
2010/9/13
Subclass of univalent functions with negative coefficients and starlike with respect to symmetric and conjugate points
On a Subclass of Harmonic Univalent Functions
Convex harmonic functions Starlike harmonic functions extremal problems
2010/1/22
The class of univalent harmonic functions on the unit disc satisfying the condition is given. Sharp coefficient relations and distortion theorems are given for these functions. In this paper we fin...
Coefficient Inequalities for Certain Classes of Analytic and Univalent Functions
Coefficient inequalities Analytic functions Univalent functions Spiral-like functions Starlike functions Convex functions
2008/7/1
Coefficient Inequalities for Certain Classes of Analytic and Univalent Functions.
On Univalent Harmonic Functions
Convex harmonic functions Starlike harmonic functions Extremal problems
2008/6/27
On Univalent Harmonic Functions.
On Some Subclasses of Univalent Functions
Close-to-convex functions $alpha$-convex functions Briot-Bouquet differential subordination
2008/6/27
On Some Subclasses of Univalent Functions.
On the Subclass of Salagean-Type Harmonic Univalent Functions
Harmonic Meromorphic Starlike Symmetric Conjugate Convex functions
2008/6/27
Using the Salagean derivative, we introduce and study a class of Goodman-Ronning type harmonic univalent functions. We obtain coefficient conditions, extreme points, distortion bounds, convolution con...
Planar Harmonic Univalent and Related Mappings
Planar harmonic mappings Orientation preserving harmonic functions Univalent functions Conformal mappings Geometric function theory Harmonic Koebe mapping, Harmonic starlike functions, Harmonic convex functions Multivalent harmonic functions Meromorphic harmonic functions Sakaguchi-type harmonic functions
2008/6/27
The theory of harmonic univalent mappings has become a very popular research topic in recent years. The aim of this expository article is to present a guided tour of the planar harmonic univalent and ...
Some Distortion Inequalities Associated with the Fractional Derivatives of Analytic and Univalent Functions
Distortion inequalities analytic functions fractional derivatives univalent functions convex functions hypergeometric function
2008/6/27
Some Distortion Inequalities Associated with the Fractional Derivatives of Analytic and Univalent Functions.
Univalent Harmonic Functions
Harmonic functions Dziok-Srivastava operator Convolution Integral operator Distortion bounds Neighborhood
2008/6/26
A necessary and sufficient coefficient is given for functions in a class of complex-valued harmonic univalent functions using the Dziok-Srivastava operator. Distortion bounds, extreme points, an integ...
On certain class of univalent functions with negative coefficients
Univalent functions starlike functions
2010/9/15
On certain class of univalent functions with negative coefficients.
On certain subclass of analytic univalent functions with negative coefficients
Univalent functions derivative operator
2010/9/15
For λ ≥ 0, n ∈ N0, in [3], the authors introduced the operator Dn λ,which is a generalized Ruscheweyh derivatives operator. In this paper,some results on coefficient inequalities, growth and distortio...