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Analytic and Univalent Functions

Coefficient Estimates for the Generalized Subclass of Analytic and Bi-univalent Functions

Coefficient Estimates for the Generalized Subclass of Analytic and Bi-univalent Functions

... generalize and improve some recent works of Frasin et al. [B.A.Frasin, M.K.Aouf, New subclasses of bi-univalent functions, Appl. Math. Lett. 24:1569-1573, 2011] and Srivastava et al. [Qing-Hua Xu, Ying-Chun ...

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15. On a new subfamilies of analytic and univalent functions with negative coefficient with respect to other points

15. On a new subfamilies of analytic and univalent functions with negative coefficient with respect to other points

... are analytic and univalent in the unit disc U = {z : |z| < 1} and normalized by f (ω) = 0 and f 0 (ω) − 1 = 0 and ω is a fixed point in U ...of functions analytic and ...

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On certain analytic univalent functions

On certain analytic univalent functions

... Abstract. We consider the class of analytic functions B(α) to investigate some properties for this class. The angular estimates of functions in the class B(α) are obtained. Finally, we derive some ...

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On Partial Sums of Analytic Univalent Functions

On Partial Sums of Analytic Univalent Functions

... Shahrood and the second author by a grant of Young Researchers and Elite Club, Malard Branch, Islamic Azad University.. References.[r] ...

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On Certain Subclasses of Univalent Functions: An Application

On Certain Subclasses of Univalent Functions: An Application

... of analytic and univalent functions with negative coefficients in the open disk U = * | | + defined by Hadamard product with Rafid Operator,we obtain coefficient bounds , extreme points for this ...

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Certain Subclass of Analytic Univalent Functions Using q - Differential Operator

Certain Subclass of Analytic Univalent Functions Using q - Differential Operator

... of analytic functions in compact ...of functions which are analytic in the open ...normalized analytic functions and q  hypergeometric ...

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Certain Subclass of Analytic Univalent Functions Using q - Differential Operator

Certain Subclass of Analytic Univalent Functions Using q - Differential Operator

... of analytic functions in compact ...of functions which are analytic in the open ...normalized analytic functions and q  hypergeometric ...

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Coefficient Estimates for a Certain General Subclass of Analytic and Bi Univalent Functions

Coefficient Estimates for a Certain General Subclass of Analytic and Bi Univalent Functions

... bi-univalent functions was revived recently by Sriva- stava et ...of functions in these subclasses were found in several recent investigations (see, for example, ...

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On Subclass of Analytic Univalent Functions Associated with Negative Coefficients

On Subclass of Analytic Univalent Functions Associated with Negative Coefficients

... of analytic functions in the open unit disk U {z ∈ C : |z| < 1} which is defined by new generalized derivative ...of analytic functions belonging to the subclass are ...

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Third Hankel determinant for a subclass of analytic univalent functions

Third Hankel determinant for a subclass of analytic univalent functions

... Subramanian, Second Hankel determinant for certain classes of analytic functions, Bonfring International Journal of Data Mining , 2(2) (2012), 57–60. Received : March 05, 2014; Accepted [r] ...

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On Certain Sufficient Conditions for Analytic Univalent Functions

On Certain Sufficient Conditions for Analytic Univalent Functions

... of functions which is defined by hyperge- ometric function and obtain its relations with some well-known subclasses of analytic univalent func- ...convex functions of order 1/2 are also ...

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Differential Subordination And Convex Univalent Functions

Differential Subordination And Convex Univalent Functions

... these functions are normalized by the conditions f   0  0 and f    0  ...of functions f by A’ which are analytic by in U and satisfy the conditions f   0  0 ...the analytic function ...

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Univalent Functions Formulated by the Salagean-Difference Operator

Univalent Functions Formulated by the Salagean-Difference Operator

... Ibrahim, New classes of analytic functions determined by a modified differential-difference operator in a complex domain, Karbala Int.. Farahmand, Partial sums of functions of bounded tu[r] ...

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Stability for certain subclasses of harmonic univalent functions

Stability for certain subclasses of harmonic univalent functions

... are analytic in D (see [9]). Here h and g are referred to as analytic and co-analytic parts of f ...locally univalent if and only if the Jacobian J F (z) = |h 0 (z)| 2 − |g 0 (z)| 2 is ...

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ON THE PARTIAL SUMS OF CONVEX HARMONIC UNIVALENT FUNCTIONS

ON THE PARTIAL SUMS OF CONVEX HARMONIC UNIVALENT FUNCTIONS

... In 1985, Silvia[11] studied the partial sums of convex functions of order α. Later, Silverman [10], Abubaker and Darus[1], Dixit and Porwal[3], Frasin[4, 5], Raina and Bansal[8], Rosy et al.[9] and Porwal and ...

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On uniformly univalent functions with respect to symmetrical points

On uniformly univalent functions with respect to symmetrical points

... are analytic in the open unit disc E = {z : |z| < ...of univalent, close-to-convex, starlike (with respect to origin), and convex functions, ...

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8. Harmonic  univalent  Functions associated With
generalized hypergeometric functions

8. Harmonic univalent Functions associated With generalized hypergeometric functions

... are analytic in 𝐷. We call ℎ the analytic part and 𝑔 the co-analytic part of ...locally univalent and orientation preserving in 𝐷 is that ∣ℎ ′ (𝑧)∣ > ∣𝑔 ′ (𝑧)∣ in 𝐷 (see ...

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On certain univalent functions with missing coefficients

On certain univalent functions with missing coefficients

... be analytic in ...an analytic function w(z) in U, such that |w(z)| ≤ |z| and f (z) = g(w(z)) (z ∈ ...is univalent in U, then the subordination f (z) ≺ g(z) is equivalent to f () = g() and f (U) ⊂ ...

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Integral operators of certain univalent functions

Integral operators of certain univalent functions

... BERNARD1, S D." The radius of univalence of certain analytic functions, Proc Amer Math.. BERNARDI, S.D." Math.[r] ...

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Some Properties of the Class of Univalent Functions with Negative Coefficients

Some Properties of the Class of Univalent Functions with Negative Coefficients

... Catas, “Neighborhoods of a Certain Class of Analytic Functions with Negative Coefficients,” Banach Journal of Mathematical Analysis, Vol.[r] ...

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