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Open Journal of Mathematical Sciences (OMS)

Open Journal of Mathematical Sciences (OMS), ISSN: 2523-0212 (Online), 2616-4906 (Print), is partially supported by the National Mathematical Society of Pakistan. It is a single-blind, peer-reviewed, Diamond Open Access journal dedicated to publishing original research articles, review articles, and survey articles in all areas of mathematics and mathematical sciences. The journal provides a scholarly platform for high-quality mathematical research and supports the timely dissemination of new findings to the international academic community.

  • Diamond Open Access: OMS follows the Diamond Open Access publishing model, under which published articles are freely available online to readers, and authors are not required to pay article processing charges for standard publication.
  • Rapid Publication: Accepted papers are published online as soon as they are ready for publication, ensuring timely dissemination of research findings.
  • Scope: The journal welcomes high-quality contributions across all branches of mathematics and mathematical sciences, offering a broad platform for scholarly exchange.
  • Publication Frequency: Articles are published online throughout the year, while one annual print volume is published in December for readers, authors, libraries, and institutions that require physical copies.
  • Indexing: Scopus, ROAD, J-Gate Portal, AcademicKeys, Crossref (DOI prefix: 10.30538), Scilit, and Directory of Research Journals Indexing.
  • Publisher: Ptolemy Scientific Research Press (PSR Press), part of the Ptolemy Institute of Scientific Research and Technology.

Latest Published Articles

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Accretion onto Regular Magnetic Black Hole in Non-minimal Einstein-Yang-Mills Theory

A. Aslam1, Piyali Bhar2
1Division of Science and Technology, University of Education, Lahore-54590, Pakistan.
2Department of Mathematics, Government General Degree College, Singur, Hooghly 712 409, West Bengal, India.
Abstract:

In this work, we investigate the process of accretion for static spherical symmetric geometries for isotropic fluid. For analyze this process we use the nonminimal magnetically charged regular black holes. For this purpose, we obtain generalized expressions for the accretion rate \(\dot{M}\), critical radius \(r_s\), critical speed \(v^2_s\) and squared sound speed \(c^2_s\) during the accretion process near the regular black holes. Finally, we study the behavior of radial velocity, energy density and rate of change of mass for each
regular black hole by plotting graph.

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On Unsteady Flow of a Viscoelastic Fluid Through Rotating Cylinders

Madeeha Tahir1, Muhammad Nawaz Naeem1, Rabia Safdar1, Dumitru Vieru2, Muhammad Imran1
1Department of Mathematics, Government College University, Faisalabad, Pakistan.
2Department of Theoretical Mechanics Technical University Gh. Asachi Iasi Romania.
Abstract:

The fractional calculus approach is used in the constitutive relationship model of fractional Maxwell fluid. Exact solutions for the velocity field and the adequate shear stress corresponding to the rotational flow of a fractional Maxwell fluid, between two infinite coaxial circular cylinders, are obtained by using the Laplace transform and finite Hankel transform for fractional calculus. The solutions that have been obtained are presented in terms of generalized \(G_{b, c, d}(\cdot, t)\) and \(R_{b, c}(\cdot, t)\) functions. In the limiting cases, the corresponding solutions for ordinary Maxwell and Newtonian fluids are obtained from our general solutions. Furthermore, the solutions for the motion between the cylinders, when one of them is at rest, are also obtained as special cases from our results. Finally, the influence of the material parameters on the fluid motion is underlined by graphical illustrations.

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Open Journal of Mathematical Sciences OMS - Cover

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