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Publications Influence

ON A SUBCLASS OF CERTAIN STARLIKE FUNCTIONS WITH NEGATIVE COEFFICIENTS

A certain subclass T›(n;p;‚;fi)of starlike functions in the unit disk is introduced. The object of the present paper is to derive several interesting properties of functions belonging to the class… Expand

123 19- PDF

Starlikeness and Convexity of Generalized Struve Functions

- Nihat Yağmur, H. Orhan
- Mathematics
- 6 March 2013

We give sufficient conditions for the parameters of the normalized form of the generalized Struve functions to be convex and starlike in the open unit disk.

43 4- PDF

Some Sufficient Conditions for Univalence of Certain Families of Integral Operators Involving Generalized Bessel Functions

- Erhan Erhan, H. Orhan, H. Srivastava
- Mathematics
- 4 January 2011

The main object of this paper is to give sufficient conditions for certain families of integral operators, which are defined here by means of the normalized form of the generalized Bessel functions,… Expand

55 4

Geometric Properties of Generalized Struve Functions

- H. Orhan, Nihat Yağmur
- Mathematics
- 8 May 2014

In the present work our object is to establish some geometric properties (like univalence, starlikeness, convexity and close-to-convexity) for the generalized Struve functions. In order to prove our… Expand

39 4- PDF

Subclasses of Analytic Functions Defined by a Generalized Differential Operator

- Dorina R ˘ aducanu, I. Maniu, H. Orhan
- Mathematics
- 2010

In this paper, making use of a generalized differential operator, we introduce certain new subclasses of analytic functions. Various results including coefficient estimates, growth and distortion… Expand

30 4- PDF

ON SOME SUFFICIENT CONDITIONS FOR UNIVALENCE

In this paper the method of subordination chains is used to establish some su‐cient conditions for univalence for analytic functions deflned in the open unit disk.

38 3- PDF

Hardy space of generalized Struve functions

- Nihat Yağmur, H. Orhan
- Mathematics
- 14 April 2014

In this paper, we present some immediate applications of convexity involving Struve functions associated with the Hardy space of analytic functions, i.e. we obtain conditions for the functionto… Expand

16 3

On the univalence of an integral operator defined by Hadamard product

- E. Deniz, D. Raducanu, H. Orhan
- Mathematics, Computer Science
- Appl. Math. Lett.
- 1 February 2012

TLDR

5 3

Coefficient bounds for new subclasses of bi-univalent functions

- Murat cCauglar, H. Orhan, Nihat Yaugmur
- Mathematics
- 19 April 2012

In the present investigation, we consider two new subclasses N_{\Sigma}^{\mu}({\alpha},{\lambda}) and N_{\Sigma}^{\mu}({\beta},{\lambda}) of bi-univalent functions defined in the open unit disk… Expand

57 2- PDF

Coefficient inequalities and inclusion relations for some families of analytic and multivalent functions

- H. Srivastava, H. Orhan
- Mathematics, Computer Science
- Appl. Math. Lett.
- 1 June 2007

TLDR

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