World's Best Scientists 2026 revealed!
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Engineering and Technology
Saudi Arabia
2026
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Mathematics
Saudi Arabia
2026

D-Index & Metrics

Mathematics

D-Index
75
Citations
23728
World Ranking
199
National Ranking
2

Engineering and Technology

D-Index
81
Citations
26900
World Ranking
487
National Ranking
5

Bashir Ahmad publication distribution in Mathematics in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Mathematics in 2026. The highlighted bar marks where Bashir Ahmad sits on this spectrum.

42–46 publications: 3 scientists 47–51 publications: 5 scientists 52–56 publications: 7 scientists 57–61 publications: 20 scientists 62–66 publications: 14 scientists 67–71 publications: 25 scientists 72–76 publications: 19 scientists 77–81 publications: 35 scientists 82–86 publications: 50 scientists 87–91 publications: 60 scientists 92–96 publications: 86 scientists 97–101 publications: 84 scientists 102–106 publications: 83 scientists 107–111 publications: 90 scientists 112–116 publications: 99 scientists 117–121 publications: 90 scientists 122–126 publications: 91 scientists 127–131 publications: 109 scientists 132–136 publications: 110 scientists 137–141 publications: 98 scientists 142–146 publications: 112 scientists 147–151 publications: 102 scientists 152–156 publications: 88 scientists 157–161 publications: 106 scientists 162–166 publications: 82 scientists 167–171 publications: 102 scientists 172–176 publications: 77 scientists 177–181 publications: 81 scientists 182–186 publications: 78 scientists 187–191 publications: 71 scientists 192–196 publications: 92 scientists 197–201 publications: 64 scientists 202–206 publications: 69 scientists 207–211 publications: 64 scientists 212–216 publications: 62 scientists 217–221 publications: 58 scientists 222–226 publications: 53 scientists 227–231 publications: 50 scientists 232–236 publications: 46 scientists 237–241 publications: 46 scientists 242–246 publications: 46 scientists 247–251 publications: 43 scientists 252–256 publications: 29 scientists 257–261 publications: 45 scientists 262–266 publications: 30 scientists 267–271 publications: 33 scientists 272–276 publications: 34 scientists 277–281 publications: 30 scientists 282–286 publications: 31 scientists 287–291 publications: 21 scientists 292–296 publications: 34 scientists 297–301 publications: 26 scientists 302–306 publications: 10 scientists 307–311 publications: 17 scientists 312–316 publications: 23 scientists 317–321 publications: 13 scientists 322–326 publications: 16 scientists 327–331 publications: 26 scientists 332–336 publications: 13 scientists 337–341 publications: 13 scientists 342–346 publications: 16 scientists 347–351 publications: 17 scientists 352–356 publications: 12 scientists 357–361 publications: 18 scientists 362–366 publications: 18 scientists 367–371 publications: 9 scientists 372–376 publications: 11 scientists 377–381 publications: 8 scientists 382–386 publications: 8 scientists 387–391 publications: 9 scientists 392–396 publications: 9 scientists 397–401 publications: 8 scientists 402–406 publications: 11 scientists 407–411 publications: 6 scientists 412–416 publications: 6 scientists 417–421 publications: 9 scientists 422–426 publications: 8 scientists 427–431 publications: 5 scientists 432–436 publications: 8 scientists 437–441 publications: 8 scientists 442–446 publications: 4 scientists 447–451 publications: 4 scientists 452–456 publications: 4 scientists 457–461 publications: 2 scientists 462–466 publications: 2 scientists 467–471 publications: 4 scientists 472–476 publications: 3 scientists 477–481 publications: 3 scientists 482–486 publications: 6 scientists 487–491 publications: 3 scientists 492–496 publications: 5 scientists 497–501 publications: 5 scientists 502–506 publications: 1 scientists 507–511 publications: 6 scientists 512–516 publications: 4 scientists 517–521 publications: 1 scientists 522–526 publications: 3 scientists 527–531 publications: 1 scientists 532–536 publications: 4 scientists 537+ publications: 100 scientists
42 publications 537+

This scientist: 724 publications — 99th percentile

99% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 537 publications or more.

Bashir Ahmad D-index placement in Mathematics in 2026

The chart shows the D-index (discipline H-index) distribution of Mathematics scientists ranked by Research.com in 2026. The highlighted bar marks where Bashir Ahmad sits on this spectrum.

30 D-Index: 174 scientists 31 D-Index: 151 scientists 32 D-Index: 174 scientists 33 D-Index: 117 scientists 34 D-Index: 136 scientists 35 D-Index: 127 scientists 36 D-Index: 145 scientists 37 D-Index: 153 scientists 38 D-Index: 150 scientists 39 D-Index: 150 scientists 40 D-Index: 137 scientists 41 D-Index: 136 scientists 42 D-Index: 93 scientists 43 D-Index: 108 scientists 44 D-Index: 115 scientists 45 D-Index: 112 scientists 46 D-Index: 103 scientists 47 D-Index: 75 scientists 48 D-Index: 59 scientists 49 D-Index: 67 scientists 50 D-Index: 60 scientists 51 D-Index: 57 scientists 52 D-Index: 59 scientists 53 D-Index: 62 scientists 54 D-Index: 60 scientists 55 D-Index: 50 scientists 56 D-Index: 42 scientists 57 D-Index: 54 scientists 58 D-Index: 50 scientists 59 D-Index: 42 scientists 60 D-Index: 41 scientists 61 D-Index: 35 scientists 62 D-Index: 40 scientists 63 D-Index: 21 scientists 64 D-Index: 31 scientists 65 D-Index: 27 scientists 66 D-Index: 29 scientists 67 D-Index: 19 scientists 68 D-Index: 25 scientists 69 D-Index: 17 scientists 70 D-Index: 18 scientists 71 D-Index: 12 scientists 72 D-Index: 14 scientists 73 D-Index: 13 scientists 74 D-Index: 18 scientists 75 D-Index: 9 scientists 76 D-Index: 11 scientists 77 D-Index: 10 scientists 78 D-Index: 9 scientists 79 D-Index: 16 scientists 80 D-Index: 12 scientists 81 D-Index: 10 scientists 82 D-Index: 5 scientists 83 D-Index: 5 scientists 84 D-Index: 13 scientists 85 D-Index: 6 scientists 86+ D-Index: 99 scientists
30 D-Index 86+

This scientist: 75 D-Index — 95th percentile

95% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 86 D-Index or more.

Research.com Recognitions

  • 2026 - Research.com Engineering and Technology in Saudi Arabia Leader Award
  • 2026 - Research.com Mathematics in Saudi Arabia Leader Award
  • 2025 - Research.com Engineering and Technology in Saudi Arabia Leader Award
  • 2025 - Research.com Mathematics in Saudi Arabia Leader Award
  • 2022 - Research.com Engineering and Technology in Saudi Arabia Leader Award
  • 2022 - Research.com Mathematics in Saudi Arabia Leader Award

Overview

Bashir Ahmad is affiliated with King Abdulaziz University in Saudi Arabia. Their research primarily focuses on mathematics, with significant contributions in applied mathematics, modeling and simulation, and numerical analysis. Their work also extends into interdisciplinary areas such as public health, environmental and occupational health, and biomedical engineering.

The main research topics covered by Bashir Ahmad include nonlinear differential equations analysis, fractional differential equations solutions, and differential equations and numerical methods. Additional topics of study involve differential equations and boundary problems, mathematical and theoretical epidemiology and ecology models, nanofluid flow and heat transfer, and nonlinear partial differential equations.

They have published extensively in various academic venues. The most frequent publication venues include:

  • Mathematics
  • AIMS Mathematics
  • Fractal and Fractional
  • Mathematical Methods in the Applied Sciences
  • International Communications in Heat and Mass Transfer

Some recent papers authored or co-authored by Bashir Ahmad include:

  • Melting heat transfer in squeezing flow of basefluid (water), nanofluid (CNTs + water) and hybrid nanofluid (CNTs + CuO + water), 2020, Journal of Thermal Analysis and Calorimetry
  • Melting heat transportation in radiative flow of nanomaterials with irreversibility analysis, 2021, Renewable and Sustainable Energy Reviews
  • Significance of activation energy in radiative peristaltic transport of Eyring-Powell nanofluid, 2020, International Communications in Heat and Mass Transfer
  • Climate change and hydrological regime of the high-altitude Indus basin under extreme climate scenarios, 2021, The Science of The Total Environment
  • Identification and characterization of low density polyethylene-degrading bacteria isolated from soils of waste disposal sites, 2020, Environmental Engineering Research

Frequent co-authors collaborating with Bashir Ahmad include:

  • Ahmed Alsaedi
  • Sotiris K. Ntouyas
  • Tasawar Hayat
  • Mouffak Benchohra
  • Jessada Tariboon

In addition to journal articles, Bashir Ahmad has contributed to book publications. Both books were published by World Scientific in 2020:

  • Nonlocal Nonlinear Fractional-Order Boundary Value Problems
  • Boundary Value Problems for Fractional Differential Equations and Systems

Best Publications

  • On Fuzzy Soft Sets

    Unknown

  • Existence results for a coupled system of nonlinear fractional differential equations with three-point boundary conditions

    Bashir Ahmad;Juan J. Nieto

  • Equivalent projectors for virtual element methods

    B. Ahmad;A. Alsaedi;F. Brezzi;L. D. Marini

  • Some properties of soft topological spaces

    Sabir Hussain;Bashir Ahmad

  • Hadamard-Type Fractional Differential Equations, Inclusions and Inequalities

    Bashir Ahmad;Ahmed Alsaedi;Sotiris K. Ntouyas;Jessada Tariboon

  • Energy consumption for water use cycles in different countries: A review

    Muhammad Wakeel;Bin Chen;Bin Chen;Tasawar Hayat;Tasawar Hayat;Ahmed Alsaedi

  • Existence Results for Nonlinear Boundary Value Problems of Fractional Integrodifferential Equations with Integral Boundary Conditions

    Bashir Ahmad;Juan J. Nieto

  • Modeling snowmelt-runoff under climate scenarios in the Hunza River basin, Karakoram Range, Northern Pakistan

    Adnan Ahmad Tahir;Pierre Chevallier;Yves Arnaud;Luc Neppel

  • A study of nonlinear Langevin equation involving two fractional orders in different intervals

    Bashir Ahmad;Juan J. Nieto;Ahmed Alsaedi;Moustafa El-Shahed

  • Existence results for nonlinear impulsive hybrid boundary value problems involving fractional differential equations

    Bashir Ahmad;S. Sivasundaram

  • Existence of solutions for anti-periodic boundary value problems involving fractional differential equations via Leray-Schauder degree theory

    Bashir Ahmad;Juan J. Nieto

  • On four-point nonlocal boundary value problems of nonlinear integro-differential equations of fractional order

    Bashir Ahmad;S. Sivasundaram

  • Riemann-Liouville fractional integro-differential equations with fractional nonlocal integral boundary conditions

    Bashir Ahmad;Juan J Nieto;Juan J Nieto

  • Impulsive anti-periodic boundary value problem for nonlinear differential equations of fractional order

    Guotao Wang;Bashir Ahmad;Lihong Zhang

  • Existence of Solutions for Nonlocal Boundary Value Problems of Higher-Order Nonlinear Fractional Differential Equations

    Bashir Ahmad;Juan J. Nieto

  • Analytic approximation of solutions of the forced Duffing equation with integral boundary conditions

    Bashir Ahmad;Ahmed Alsaedi;Badra S. Alghamdi

  • Convective flow of carbon nanotubes between rotating stretchable disks with thermal radiation effects

    Maria Imtiaz;Tasawar Hayat;Tasawar Hayat;Ahmed Alsaedi;Bashir Ahmad

  • New Existence Results for Nonlinear Fractional Differential Equations with Three-Point Integral Boundary Conditions

    Bashir Ahmad;SotirisK K Ntouyas;Ahmed Alsaedi

  • Nonlinear fractional integro-differential equations on unbounded domains in a Banach space

    Lihong Zhang;Bashir Ahmad;Guotao Wang;Ravi P. Agarwal;Ravi P. Agarwal

  • Positive solutions of a nonlinear nth order boundary value problem with nonlocal conditions

    Paul W. Eloe;Bashir Ahmad

  • Existence theory for anti-periodic boundary value problems of fractional differential equations and inclusions

    Ravi P. Agarwal;Bashir Ahmad

Frequent Co-Authors

Tasawar Hayat
Tasawar Hayat Quaid-i-Azam University
Sotiris K. Ntouyas
Sotiris K. Ntouyas University of Ioannina
Ravi P. Agarwal
Ravi P. Agarwal Florida Institute of Technology
Juan J. Nieto
Juan J. Nieto University of Santiago de Compostela
A. Alsaedi
A. Alsaedi King Abdulaziz University
Daqing Jiang
Daqing Jiang China University of Petroleum, Beijing
Jessada Tariboon
Jessada Tariboon King Mongkut's University of Technology North Bangkok
Guoqian Chen
Guoqian Chen Peking University
Jinde Cao
Jinde Cao Southeast University
Fahad Munir Abbasi
Fahad Munir Abbasi COMSATS University Islamabad

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