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  1. On the Quaternion-Valued Fractional Differential Equation with Hyers-Ulam Stability

    Article • Contemporary Mathematics, April 2026, Universal Wiser Publisher Pte. Ltd

    Dr Hakeem A Otman

  2. Elliptic Sombor stress energy of graphs

    Article • Boletim da Sociedade Paranaense de Matemática, April 2026, Sociedade Paranaense de Matematica

    Dr Hakeem A Otman

  3. ELLIPTIC SOMBOR STRESS INDEX FOR GRAPHS

    Article • January 2026, Muk Publications and Distributions

    Dr Hakeem A Otman, Husniyah Alzubaidi

  4. ON SOME SUBALGEBRA BUNDLES OF A LIE ALGEBRA BUNDLE OF FINITE TYPE

    Article • January 2026, Muk Publications and Distributions

    Dr Hakeem A Otman, Husniyah Alzubaidi

  5. A DATA-DRIVEN PHYSICS-INFORMED NEURAL NETWORK APPROACH FOR ANALYSIS OF POLLUTANT DISCHARGE CONCENTRATION IMPACT ON AN OSCILLATORY SURFACE

    Article • January 2026, Muk Publications and Distributions

    Dr Hakeem A Otman

  6. A unified framework for deriving and visualizing soliton solutions in the paraxial nonlinear Schrödinger equation

    Article • Scientific Reports, September 2025, Springer Science + Business Media

    Dr Hakeem A Otman

  7. On Topologies on Simple Graphs and Their Applications in Radar Chart Methods

    Article • Axioms, February 2025, MDPI AG

    Dr Hakeem A Otman, Husniyah Alzubaidi

  8. ON HOMOTOPICAL PROPERTIES OF TOPOLOGICAL LEFT ALMOST SEMIGROUPS

    Article • January 2024, Trade Unions Republican Commiittee of Azerbaijan Water Economy Workers

    Dr Hakeem A Otman

  9. Nanomaterial heat transfer within thermal porous system in presence of Lorentz force

    Article • Case Studies in Thermal Engineering, September 2023, Elsevier

    Dr Hakeem A Otman

  10. Fibration mappings of topological left almost semigroups

    Article • Semigroup Forum, July 2023, Springer Science + Business Media

    Dr Hakeem A Otman

  11. Numerical investigation of thermal improvement of system in existence of nanofluid and magnetic force

    Article • Case Studies in Thermal Engineering, July 2023, Elsevier

    Dr Hakeem A Otman

  12. Mathematical analysis of mixed convective stagnation point flow over extendable porous riga plate with aggregation and joule heating effects

    Article • Heliyon, June 2023, Elsevier

    Dr Zafar Mahmood, Dr Hakeem A Otman

  13. Thermal analysis of nanofluid flow within porous enclosure with curved hot wall utilizing numerical approach

    Article • Case Studies in Thermal Engineering, May 2023, Elsevier

    Dr Hakeem A Otman

  14. Proportional Itô–Doob Stochastic Fractional Order Systems

    Article • Mathematics, April 2023, MDPI AG

    Dr Hakeem A Otman

  15. Fractional Itô–Doob Stochastic Differential Equations Driven by Countably Many Brownian Motions

    Article • Fractal and Fractional, April 2023, MDPI AG

    Dr Hakeem A Otman

  16. On fuzzy fractional integral operators having exponential kernels and related certain inequalities for exponential trigonometric convex fuzzy-number valued mappings

    Article • Chaos Solitons & Fractals, April 2023, Elsevier

    Dr Hakeem A Otman

  17. Discussion on Fuzzy Integral Inequalities via Aumann Integrable Convex Fuzzy-Number Valued Mappings over Fuzzy Inclusion Relation

    Article • Mathematics, March 2023, MDPI AG

    Aleksandr Rakhmangulov, Dr Hakeem A Otman

  18. Amelioration of thermal storage system with inclusion of nanomaterial within solidification

    Article • Journal of Energy Storage, February 2023, Elsevier

    Dr Hakeem A Otman

  19. Numerical modeling for thermal behavior of nanomaterial laminar flow and convective heat transfer in appearance of magnetic field

    Article • Case Studies in Thermal Engineering, February 2023, Elsevier

    Dr Hakeem A Otman

  20. Some Certain Fuzzy Aumann Integral Inequalities for Generalized Convexity via Fuzzy Number Valued Mappings

    Article • Mathematics, January 2023, MDPI AG

    Dr Hakeem A Otman

  21. Theoretical modeling study on preparation of nanosized drugs using supercritical-based processing: Determination of solubility of Chlorothiazide in supercritical carbon dioxide

    Article • Journal of Molecular Liquids, January 2023, Elsevier

    Dr Hakeem A Otman, Mr Ameer Athab Alameri

  22. Analysis of Monkeypox viral infection with human to animal transmission via a fractional and Fractal-fractional operators with power law kernel

    Article • Mathematical Biosciences and Engineering, January 2023, American Institute of Mathematical Sciences (AIMS)

    Dr Hakeem A Otman

  23. Some new concepts in fuzzy calculus for up and down <i>λ</i>-convex fuzzy-number valued mappings and related inequalities

    Article • AIMS Mathematics, January 2023, American Institute of Mathematical Sciences (AIMS)

    Dr Hakeem A Otman

  24. On L2−directed topological spaces in directed graphs theory

    Article • Filomat, January 2023, National Library of Serbia

    Dr Hakeem A Otman

  25. Expedition of discharging of energy storage unit with adding nanoparticles using numerical technique

    Article • Journal of Energy Storage, November 2022, Elsevier

    Dr Hakeem A Otman

  26. Heat storage system for air conditioning purpose considering melting in existence of nanoparticles

    Article • Journal of Energy Storage, November 2022, Elsevier

    Dr Hakeem A Otman

  27. Thermal storage evaluation in existence of nano-sized additives by mean of numerical method

    Article • Journal of Energy Storage, November 2022, Elsevier

    Dr Hakeem A Otman

  28. Investigation of behavior of heat storage system including paraffin with involving MWCNT nanoparticles

    Article • Journal of Energy Storage, October 2022, Elsevier

    Dr Hakeem A Otman

  29. Examination of treatment of energy storage unit with inclusion of nanomaterial

    Article • Journal of Energy Storage, September 2022, Elsevier

    Dr Hakeem A Otman

  30. Expedition of solidification with dispersing nanoparticles utilizing numerical method

    Article • Journal of Molecular Liquids, September 2022, Elsevier

    Dr Hakeem A Otman

  31. Nanomaterial efficacy on freezing of PCM with involvement of numerical simulation

    Article • Journal of Molecular Liquids, September 2022, Elsevier

    Dr Hakeem A Otman

  32. Improper integral with exponential function

    Article • Journal of Intelligent & Fuzzy Systems Applications in Engineering and Technology, June 2022, IOS Press

    Dr Hakeem A Otman

  33. The Eccentric Zagreb Indices for the Subdivision of Some Graphs and Their Applications

    Article • Applied Mathematics & Information Sciences, May 2022, Natural Sciences Publishing

    Dr Hakeem A Otman

  34. The Stability or Instability of Co-Even Domination in Graphs

    Article • Applied Mathematics & Information Sciences, May 2022, Natural Sciences Publishing

    Dr Hakeem A Otman

  35. Some Properties of Whole Edge Domination in Graphs

    Article • Applied Mathematics & Information Sciences, May 2022, Natural Sciences Publishing

    Dr Hakeem A Otman

  36. Infra Pre-open Sets and Their Applications to Generate New Types of Operators and Maps

    Article • European Journal of Pure and Applied Mathematics, January 2022, New York Business Global LLC

    Dr Tareq Al-shami, Dr Hakeem A Otman

  37. Pathless directed topology in connection to the circulation of blood in the heart of human body

    Article • AIMS Mathematics, January 2022, Tsinghua University Press

    Dr Hakeem A Otman

  38. On loop functions in the theory of topological LA-semigroups

    Article • Filomat, January 2022, National Library of Serbia

    Dr Hakeem A Otman

  39. Infra − β − Closed(Open) Sets : New

    Article • Punjab University Journal of Mathematics, December 2021, Department of Mathematics, University of the Punjab

    Dr Hakeem A Otman

  40. q-SPACE (q-TIME)-DEFORMATION OF THE CONTINUITY EQUATION

    Article • International Journal of Research -GRANTHAALAYAH, August 2021, Granthaalayah Publications and Printers

    Dr Hakeem A Otman

  41. ALEXANDROFF SPACES AND GRAPHIC TOPOLOGY

    Article • Advances in Mathematics Scientific Journal, May 2021, Union of Researchers of Macedonia

    Dr Hakeem A Otman

  42. Retractions in homotopy theory for finite topological semigroups

    Article • Tbilisi Mathematical Journal, March 2021, Tbilisi Centre for Mathematical Sciences

    Dr Hakeem A Otman

  43. New Nano Operator for a New Nano Topology

    Article • Advances in Mathematics Scientific Journal, May 2020, Union of Researchers of Macedonia

    Dr Hakeem A Otman

  44. The q-Riccati Algebra

    Article • Journal of Mathematics and Statistics, January 2020, Science Publications

    Dr Hakeem A Otman

  45. q-Euler Lagrange Equation

    Article • American Journal of Applied Sciences, September 2019, Science Publications

    Dr Hakeem A Otman

  46. Weak and strong forms of fuzzy \(\alpha\)-open (closed) sets and its applications

    Article • Journal of Advanced Studies in Topology, August 2018, Modern Science Publishers

    Dr Hakeem A Otman

  47. Quantum generalized Euler heat equation

    Article • St Petersburg Polytechnical University Journal Physics and Mathematics, December 2017, Elsevier

    Dr Hakeem A Otman

  48. Quantum white noise Gaussian kernel operators

    Article • Chaos Solitons & Fractals, November 2017, Elsevier

    Dr Hakeem A Otman

  49. Homogeneous functions: New characterization and applications

    Article • Transactions of A Razmadze Mathematical Institute, August 2017, Elsevier

    Dr Hakeem A Otman

  50. ON An Infra-\(\alpha\)-Open Sets

    Article • Global Journal of Mathematical Analysis, April 2016, Science Publishing Corporation

    Dr Hakeem A Otman

  51. Generalized free Gaussian white noise

    Article • International Journal of Advanced Mathematical Sciences, March 2016, Science Publishing Corporation

    Dr Hakeem A Otman

  52. On fuzzy \(\theta\)-generalized-semi-closed sets

    Article • Journal of Advanced Studies in Topology, February 2016, Modern Science Publishers

    Dr Hakeem A Otman

  53. The q_Gamma White Noise

    Article • Tatra Mountains Mathematical Publications, January 2016, De Gruyter

    Dr Hakeem A Otman

  54. Some Weaker Forms of Fuzzy Faintly Open Mappings

    Article • Journal of Fuzzy Set Valued Analysis, January 2015, ISPACS GmbH

    Dr Hakeem A Otman

  55. On FuzzySp-Open Sets

    Article • Advances in Fuzzy Systems, January 2011, Hindawi Publishing Corporation

    Dr Hakeem A Otman