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15 Results Found

  • Article
  • Open Access
834 Views
19 Pages

New Results of Differential Subordination for a Specific Subclass of p-Valent Meromorphic Functions Involving a New Operator

  • Nihad Hameed Shehab,
  • Abdul Rahman S. Juma,
  • Luminița-Ioana Cotîrlă and
  • Daniel Breaz

18 December 2024

The present article aims to significantly improve geometric function theory by making an important contribution to p-valent meromorphic and analytic functions. It focuses on subordination, which describes the relationships of analytic functions. In o...

  • Article
  • Open Access
1 Citations
1,110 Views
10 Pages

4 July 2024

Certain characteristics of univalent functions with negative coefficients of the form f(z)=z−∑n=1∞a2nz2n,a2n>0 have been studied by Silverman and Berman. Pokley, Patil and Shrigan have discovered some insights into the Hadamard pro...

  • Article
  • Open Access
6 Citations
2,650 Views
11 Pages

13 April 2022

We study the Hadamard product features of certain subclasses of p-valent meromorphic functions defined in the punctured open-unit disc using the q-difference operator. For functions belonging to these subclasses, we obtained certain coefficient estim...

  • Article
  • Open Access
3 Citations
1,343 Views
14 Pages

Attributes of Subordination of a Specific Subclass of p-Valent Meromorphic Functions Connected to a Linear Operator

  • Rabha M. El-Ashwah,
  • Alaa Hassan El-Qadeem,
  • Gangadharan Murugusundaramoorthy,
  • Ibrahim S. Elshazly and
  • Borhen Halouani

10 October 2024

This work examines subordination conclusions for a specific subclass of p-valent meromorphic functions on the punctured unit disc of the complex plane where the function has a pole of order p. A new linear operator is used to define the subclass that...

  • Article
  • Open Access
937 Views
11 Pages

Convolution Results with Subclasses of p-Valent Meromorphic Function Connected with q-Difference Operator

  • Ekram E. Ali,
  • Rabha M. El-Ashwah,
  • Abeer M. Albalahi,
  • Rabab Sidaoui,
  • Marwa Ennaceur and
  • Miguel Vivas-Cortez

13 November 2024

Applying the operator of q-difference, we examine the convolution properties of the subclasses MSζ,qr,p(A,B) and MKζ,qr,p(A,B) of p-valent meromorphic functions defined in the punctured open-unit disc. We derived specific inclusion features...

  • Article
  • Open Access
254 Views
17 Pages

2 November 2025

This study introduces a new integral operator Ip,μδ that extends the traditional Rafid operator to meromorphic p-valent functions. Using this operator, we define and investigate two new subclasses: Σp+δ,μ,α, consisting o...

  • Article
  • Open Access
1,059 Views
12 Pages

17 November 2023

We consider a newly introduced integral operator that depends on an analytic normalized function and generalizes many other previously studied operators. We find the necessary conditions that this operator has to meet in order to preserve convex mero...

  • Article
  • Open Access
504 Views
23 Pages

Third-Order Fuzzy Subordination and Superordination on Analytic Functions on Punctured Unit Disk

  • Ekram E. Ali,
  • Georgia Irina Oros,
  • Rabha M. El-Ashwah and
  • Abeer M. Albalahi

17 May 2025

This work’s theorems and corollaries present new third-order fuzzy differential subordination and superordination results developed by using a novel convolution linear operator involving the Gaussian hypergeometric function and a previously stu...

  • Article
  • Open Access
3 Citations
1,768 Views
12 Pages

15 February 2023

In this paper, we define three subclasses Mp,αn,q(η,A,B),Ip,αn(λ,μ,γ),, Rpn,q(λ,μ,γ) connected with a q-analogue of linear differential operator Dα,p,Gn,q which consist of functions F of the form...

  • Article
  • Open Access
10 Citations
2,642 Views
7 Pages

Sufficiency Criterion for A Subfamily of Meromorphic Multivalent Functions of Reciprocal Order with Respect to Symmetric Points

  • Shahid Mahmood,
  • Gautam Srivastava,
  • Hari Mohan Srivastava,
  • Eman S.A. Abujarad,
  • Muhammad Arif and
  • Fazal Ghani

5 June 2019

In the present research paper, our aim is to introduce a new subfamily of meromorphic p-valent (multivalent) functions. Moreover, we investigate sufficiency criterion for such defined family.

  • Article
  • Open Access
972 Views
11 Pages

2 December 2024

We define new classes of meromorphic p-valent convex functions, respectively, meromorphic close-to-convex functions, by using an extension of Wanas operator in order to study the preservation properties of these classes, when a well-known integral op...

  • Article
  • Open Access
1 Citations
1,207 Views
12 Pages

On Classes of Meromorphic Functions Defined by Subordination and Convolution

  • Luminiţa-Ioana Cotîrlă and
  • Elisabeta-Alina Totoi

15 September 2023

For p∈N*, let Σp denote the class of meromorphic p-valent functions. We consider an operator for meromorphic functions denoted by Tbn, which generalizes some previously studied operators. We introduce some new subclasses of the class &Sigm...

  • Article
  • Open Access
900 Views
16 Pages

Third-Order Differential Subordination Features of Meromorphic Functions: Erdelyi–Kober Model Integral Operator Application

  • Ibrahim S. Elshazly,
  • Borhen Halouani,
  • Rabha M. El-Ashwah,
  • Alaa H. El-Qadeem and
  • Gangadharan Murugusundaramoorthy

6 November 2024

This study is concerned with the class of p-valent meromorphic functions, represented by the series f(ζ)=ζ−p+∑k=1−p∞dkζk, with the domain characterized by 0<|ζ|<1. We apply an Erdelyi–Kober-type i...

  • Article
  • Open Access
4 Citations
530 Views
18 Pages

25 June 2025

In this paper, we derive novel results concerning third-order differential subordinations for meromorphic functions, utilizing a newly defined linear operator that involves the inverse of the Legendre chi function in conjunction with the Mittag-Leffl...