starlike and convex functions
The Fekete Szegö Problem for Valently Janowski Starlike and Convex Functions
... For p-valently Janowski starlike and convex functions defined by applying subordination for the generalized Janowski function, the sharp upper bounds of a functional |ap2 − μa2p1 | relat[r] ...
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Neighborhoods of Starlike and Convex Functions Associated with Parabola
... analytic functions f z defined on the open unit disk Δ : {z : |z| < 1} and normalized by f0 0 and f 0 1, and let S be the subclass of A consisting of univalent ...of starlike and convex ...
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Certain subclasses of uniformly convex functions and corresponding class of starlike functions
... uniformly convex (uniformly starlike) in U if f (z) is in CV (ST) and has the property that for every circular arc γ contained in U , with center ξ also in U , the arc f (γ) is convex ...
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Generalized classes of starlike and convex functions of order α
... Subordination, fractional derivative, fractional integral, generalized Libera operator.. 1980 MATHEMATICS SUBJECT CLASSIFICATION CODE.[r] ...
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On Starlike and Convex Functions with Respect to 𝑘 Symmetric Points
... Darus, “On harmonic univalent functions with respect to k-symmetric points,” International Journal of Contemporary Mathematical Sciences, vol.. Darus, “On meromorphic harmonic functions [r] ...
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Criteria for starlike and convex functions of order α
... Correspondence: [email protected] Department of Mathematics, Changshu Institute of Technology, Changshu, Jiangsu 215500, China Full list of author information is available at the end of th[r] ...
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NEW SUFFICIENT CONDITIONS FOR STARLIKE AND CONVEX FUNCTIONS
... Abstract. Let A be the class of analytic functions f(z) in the open unit disc. Applying the subordination, some sufficient conditions for starlikeness and convexity are discussed. Keywords: Analytic function, ...
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Bounds for the second Hankel determinant of certain univalent functions
... Ma-Minda starlike and convex functions in Sec- tion ...univalent functions and the results for some of these special classes are indicated as ...
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A Subclass of Meromorphic Close to Convex Functions of Janowski's Type
... the convex hull method 1, 2 and the method of differential subordination 3, Shanmugam 4 introduced and investigated convolution properties of various sub- classes of analytic ...multivalent starlike and ...
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Convolution Properties of Classes of Analytic and Meromorphic Functions
... meromorphic functions in the punctured unit disk are introduced by means of convolution with a given fixed meromorphic ...meromorphic starlike and convex functions and other related subclasses ...
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On Certain Multivalent Starlike or Convex Functions with Negative Coefficients
... By means of a di ff erential operator, we introduce and investigate some new subclasses of p- valently analytic functions with negative coefficients, which are starlike or convex of complex order. ...
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Certain coefficient inequalities for p-valent functions
... Keywords: Analytic, univalent, p -valent, starlike and convex functions, Jack’s lemma.. 2010 MSC: 30C45.[r] ...
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Birth of Theory of Harmonic Functions
... of starlike functions. The functions in UST are called uniformly starlike and are based on a purely geometric ...uniformly starlike in , if f(z) is in S * and has the property that ...
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Some Results in Generalization of Janowski Functions Associated with (j,k)-Symmetric Points
... of functions with positive real part P plays a crucial role in geometric function ...of starlike S * , class of convex functions C , class of starlike functions with respect to ...
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Inclusion relations for certain families of integral operators associated with conic regions
... analytic functions involving the integral operators that generalize the class of uniformly starlike, convex, and close-to-convex functions with respect to symmetric ...
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Certain Subclasses of Starlike Functions of Complex Order Involving Generalized Hypergeometric Functions
... hypergeometric functions, we define a new subclass of uniformly convex functions and a corresponding subclass of starlike functions with negative coe ffi cients and obtain coefficient ...
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HARMONIC MAPPINGS RELATED TO CLOSE-TO-CONVEX FUNCTIONS OF COMPLEX ORDER b
... of functions in the open unit disc D that are normalized with h(0) = h ′ (0) − 1 = 0, then a function h(z) ∈ A is called convex on starlike if it maps D into a convex or starlike ...
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Subclasses of close to convex functions
... M., Subclasses of starlike functions subordinate to convex functions submitted..[r] ...
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On A Subclass Of N-Uniformly Multivalent Functions Used By Incomplete Beta Function
... Key words and phrases : Analytic functions , Multivalent functions , Coefficient estimate, Distortion theorem, Starlike functions , Convex functions, Close-to-close functions, [r] ...
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Spiral like integral operators
... and Mehrok, T.J.S.: On Univalence of certain analytic functions associated wih starlike, convex and close-to-convex functions, Indian J.. BERNARDI, S.D.: Convex and starlike univalent fu[r] ...
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