World's Best Scientists 2026 revealed!
Yadollah Ordokhani

Yadollah Ordokhani

D-Index & Metrics

Mathematics

D-Index
36
Citations
4624
World Ranking
2672
National Ranking
24

Yadollah Ordokhani 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 Yadollah Ordokhani 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: 83 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: 209 publications — 65th percentile

65% of scientists in this discipline score the same or lower.

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

Yadollah Ordokhani 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 Yadollah Ordokhani 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: 138 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: 36 D-Index — 29th percentile

29% of scientists in this discipline score the same or lower.

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

Overview

Yadollah Ordokhani is affiliated with Alzahra University in Iran and has contributed extensively to the field of mathematics, with a primary focus on fractional differential equations and numerical analysis. Their work spans several core topics including fractional differential equations solutions, iterative methods for nonlinear equations, and differential equations combined with numerical methods.

The scientist's research intersects multiple subfields of study, notably modeling and simulation, numerical analysis, and applied mathematics. Additional subfields addressed in their work include statistical and nonlinear physics as well as control and systems engineering.

Ordokhani's publications are frequently found in several key academic venues such as the Journal of Vibration and Control, Zenodo (CERN European Organization for Nuclear Research), Computational and Applied Mathematics, Mathematical Methods in the Applied Sciences, and Optimal Control Applications and Methods.

Their recent papers cover topics related to fractional optimal control problems and fractional integro-differential equations. Notable recent works include:

  • "Fibonacci wavelets and Galerkin method to investigate fractional optimal control problems with bibliometric analysis" (2020, Journal of Vibration and Control)
  • "Pseudo-operational matrix method for the solution of variable-order fractional partial integro-differential equations" (2020, Engineering With Computers)
  • "Fractional-order Bessel wavelet functions for solving variable order fractional optimal control problems with estimation error" (2020, International Journal of Systems Science)
  • "Combination of Lucas wavelets with Legendre-Gauss quadrature for fractional Fredholm-Volterra integro-differential equations" (2020, Journal of Computational and Applied Mathematics)
  • "Application of generalized Lucas wavelet method for solving nonlinear fractal-fractional optimal control problems" (2023, Chaos Solitons & Fractals)

Yadollah Ordokhani frequently collaborates with a core group of co-authors which includes Haniye Dehestani, Sedigheh Sabermahani, Parisa Rahimkhani, Mohsen Razzaghi, and Nasrin Samadyar.

Best Publications

  • Bernoulli wavelet operational matrix of fractional order integration and its applications in solving the fractional order differential equations

    E. Keshavarz;Y. Ordokhani;M. Razzaghi

  • Numerical solution of the delay differential equations of pantograph type via Chebyshev polynomials

    S. Sedaghat;Yadollah Ordokhani;Mehdi Dehghan

  • A new operational matrix based on Bernoulli wavelets for solving fractional delay differential equations

    P. Rahimkhani;Y. Ordokhani;E. Babolian

  • Numerical solution of fractional pantograph differential equations by using generalized fractional-order Bernoulli wavelet

    P. Rahimkhani;Y. Ordokhani;E. Babolian

  • Numerical solution of a class of two-dimensional nonlinear Volterra integral equations using Legendre polynomials

    S. Nemati;P. M. Lima;Y. Ordokhani

  • Fractional-order Bernoulli wavelets and their applications

    P. Rahimkhani;Y. Ordokhani;E. Babolian

  • A numerical solution for fractional optimal control problems via Bernoulli polynomials

    E Keshavarz;Y Ordokhani;M Razzaghi

  • Hybrid functions approach for nonlinear constrained optimal control problems

    S. Mashayekhi;Y. Ordokhani;M. Razzaghi

  • Solving fractional pantograph delay differential equations via fractional-order Boubaker polynomials

    Kobra Rabiei;Yadollah Ordokhani

  • Optimal Control of Delay Systems by Using a Hybrid Functions Approximation

    N. Haddadi;Yadollah Ordokhani;Mohsen Razzaghi

  • The Taylor wavelets method for solving the initial and boundary value problems of Bratu-type equations

    E. Keshavarz;Y. Ordokhani;M. Razzaghi

  • Solution of nonlinear Volterra–Fredholm–Hammerstein integral equations via a collocation method and rationalized Haar functions

    Yadollah Ordokhani;Mohsen Razzaghi;Mohsen Razzaghi

  • Solution of nonlinear Volterra-Hammerstein integral equations via rationalized Haar functions.

    M. Razzaghi;Y. Ordokhani

  • Müntz-Legendre wavelet operational matrix of fractional-order integration and its applications for solving the fractional pantograph differential equations

    Parisa Rahimkhani;Yadollah Ordokhani;Esmail Babolian

  • Solution of nonlinear Volterra–Fredholm–Hammerstein integral equations via rationalized Haar functions

    Yadollah Ordokhani

  • An efficient approximate method for solving delay fractional optimal control problems

    P. Rahimkhani;Y. Ordokhani;E. Babolian

  • The Boubaker polynomials and their application to solve fractional optimal control problems

    Kobra Rabiei;Yadollah Ordokhani;Esmaeil Babolian

  • Fibonacci wavelets and their applications for solving two classes of time‐varying delay problems

    Sedigheh Sabermahani;Yadollah Ordokhani;Sohrab‐Ali Yousefi

  • Fractional-order Legendre–Laguerre functions and their applications in fractional partial differential equations

    Haniye Dehestani;Yadollah Ordokhani;Mohsen Razzaghi

  • Fractional-order Bernoulli functions and their applications in solving fractional FredholemVolterra integro-differential equations

    Parisa Rahimkhani;Yadollah Ordokhani;Esmail Babolian

Frequent Co-Authors

Mohsen Razzaghi
Mohsen Razzaghi Mississippi State University
Esmail Babolian
Esmail Babolian Kharazmi University
Mehdi Dehghan
Mehdi Dehghan Amirkabir University of Technology
Farshid Mirzaee
Farshid Mirzaee Malayer University
Mir Sajjad Hashemi
Mir Sajjad Hashemi University of Bonab

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