Results 31 to 40 of about 1,870,399 (65)

On a differential subordination and superordination of a new class of meromorphic functions [PDF]

open access: yes, 2014
In this paper, we investigate differential subordination and superordination properties of a new class of meromorphic analytic functions in the punctured unit disc.We derive some sandwich ...
Muhammad, Ali   +3 more
core   +1 more source

Differential subordination and superordination for certain subclasses of p-valent functions [PDF]

open access: yes, 2014
In this paper, we study applications of the differential subordination and superordination of analytic p-valent functions in the open unit disc associated with certain operator defined by the Wright generalized hypergeometric function. Sandwich-type
Shenan, Jamal M.   +3 more
core   +1 more source

Subordination and superordination of certain linear operator on meromorphic functions [PDF]

open access: yes, 2016
Using the methods of differential subordination and superordination, sufficient conditions are determined on the differential linear operator of meromorphic functions in the punctured unit disk to obtain, respectively, the best dominant and the best ...
Seoudy, T. M., Aouf, M. K.
core   +1 more source

Some differential subordination and superordination properties of symmetric analytic functions involving Noor integral operator [PDF]

open access: yes, 2012
In this paper, we obtain some interesting properties of differential subordination and superordination for the classes of symmetric functions analytic in the unit disc, by applying Noor integral operator.
Muhammad, Ali, Khattak, Amjad Ullah
core   +1 more source

Third-Order Differential Subordination and Superordination Results for Meromorphically Multivalent Functions Associated with the Liu-Srivastava Operator [PDF]

open access: yes, 2014
There are many articles in the literature dealing with the first-order and the second-order differential subordination and superordination problems for analytic functions in the unit disk, but only a few articles are dealing with the above problems in ...
Li, Shu-Hai   +7 more
core   +1 more source

Subordination and superordination of certain linear operator on meromorphic functions [PDF]

open access: yes, 2010
Using the methods of differential subordination and superordination, sufficient conditions are determined on the differential linear operator of meromorphic functions in the punctured unit disk to obtain, respectively, the best dominant and the best ...
Seoudy, T. M., Aouf, M. K.
core   +1 more source

On some applications of subordination and superordination of multivalent functions involving the extended fractional differintegral operator [PDF]

open access: yes, 2012
In this paper, we apply fractional differintegral operator and study various properties of differential subordination and ...
Muhammad, Ali
core   +1 more source

Properties of Differential Subordination and Superordination for Multivalent Functions Associated with the Convolution Operators

open access: yes, 2023
Using convolution (or Hadamard product), we define the El-Ashwah and Drbuk linear operator, which is a multivalent function in the unit disk U=w:w<1 and w∈₵, and satisfy its specific relationship to derive the subordination ...
Luminiţa-Ioana Cotîrlă   +1 more
core   +1 more source

New Results on Differential Subordination and Superordination for Multivalent Functions Involving New Symmetric Operator

open access: yes
This article aims to significantly advance geometric function theory by providing a valuable contribution to analytic and multivalent functions. It focuses on differential subordination and superordination, which characterize the interactions between ...
Luminiţa-Ioana Cotîrlă   +5 more
core   +1 more source

Subordination and Superordination on Schwarzian Derivatives [PDF]

open access: yes, 2009
Let the functions be analytic and let be analytic univalent in the unit disk. Using the methods of differential subordination and superordination, sufficient conditions involving the Schwarzian derivative of a normalized analytic function are ...
N. Seenivasagan   +5 more
core   +1 more source

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