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- Muhammad Arif, K I Noor, S N Malik, M Arif, M Raza
- 2013

The aim of this paper is to study the subclasses of Janowski functions with bounded boundary and bounded radius rotations of order a. The order of a function from the class of Janowski functions with bounded boundary rotations to be from bounded radius rotations is of major interest and some of its applications are also discussed here.

- Muhammad Arif, Mohsan Raza, Saeed Islam, Javed Iqbal, Faiz Faizullah, Arif +4 others
- 2012

The aim of this paper is to establish certain sufficient conditions for some subclasses of analytic functions using argument properties. Some applications of our work to the generalized Alexander integral operator is also given. Some sufficient conditions for spirallike functions with argument properties.

- Muhammad Arif, Mohsan Raza
- 2011

In this paper we will study the integral operator involving Bessel functions of the first kind and of order v. We will investigate the integral operator for the classes of starlike and convex functions in the open unit disk.

In this paper, we introduce certain new classes of multivalent functions involving the generalized Srivastava-Attiya operator. Such results as inclusion relationships, integral representation and arc length problems for these classes of functions are obtained. The behavior of these classes under a certain integral operator is also discussed.

In this paper a new subclass of analytic functions associated with right half of the lemniscates of Bernoulli 2 2 2 2 2 2 0 x y x y has been introduced. An upper bound of the third Hankel determinant is determined for this class.

The aim of the present paper is to investigate coefficient estimates, Fekete-Szegő inequality, and upper bound of third Hankel determinant for some families of starlike and convex functions of reciprocal order.

- Muhammad Arif, Sarfraz Nawaz, Malik, Mohsan Raza
- 2011

The aim of this paper is to introduced subclasses of Janowski functions with bounded boundary and bounded radius rotations of complex order b and of type ρ. And also to study the mapping properties of these classes under certain integral operators defined and studied by Breaz et. al recently.

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