World's Best Scientists 2026 revealed!

D-Index & Metrics

Mathematics

D-Index
51
Citations
11936
World Ranking
1014
National Ranking
53

Alfred Ramani 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 Alfred Ramani 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: 277 publications — 82nd percentile

82% of scientists in this discipline score the same or lower.

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

Alfred Ramani 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 Alfred Ramani 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: 51 D-Index — 73rd percentile

73% of scientists in this discipline score the same or lower.

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

Overview

Alfred Ramani is affiliated with the Centre national de la recherche scientifique (CNRS) in France. Their research spans the fields of Mathematics and Physics and Astronomy, with a focus on subfields including Statistical and Nonlinear Physics, Geometry and Topology, Algebra and Number Theory, Atomic and Molecular Physics and Optics, and Numerical Analysis.

The scientist's work addresses several main topics, notably Nonlinear Waves and Solitons, Advanced Differential Equations and Dynamical Systems, Advanced Topics in Algebra, Quantum Mechanics and Non-Hermitian Physics, Nonlinear Photonic Systems, Numerical methods for differential equations, and Algebraic structures and combinatorial models.

Recent publications by Alfred Ramani include:

  • "Obtaining the growth of higher order mapping through the study of singularities," 2025, Journal of Physics A Mathematical and Theoretical
  • "Singularities and growth of higher order discrete equations," 2024, Open Communications in Nonlinear Mathematical Physics
  • "Singularity analysis of a generalised Lagrange system," 2020, Chaos Solitons & Fractals
  • "On the singularities of the discrete Korteweg-deVries equation," 2021, Journal of Physics A Mathematical and Theoretical
  • "Gambier lattices and other linearisable systems," 2020, Journal of Nonlinear Mathematical Physics

Frequent co-authors collaborating with Alfred Ramani include:

  • B. Grammaticos
  • Ralph Willox
  • A. S. Cârstea
  • Takafumi Mase
  • Doyong Um

The most common publication venues for Ramani's research are:

  • Journal of Physics A Mathematical and Theoretical
  • Open Communications in Nonlinear Mathematical Physics
  • Chaos Solitons & Fractals
  • Journal of Nonlinear Mathematical Physics
  • arXiv (Cornell University)

Best Publications

  • A connection between nonlinear evolution equations and ordinary differential equations of P‐type. II

    M. J. Ablowitz;A. Ramani;H. Segur

  • Do integrable mappings have the Painlevé property

    B. Grammaticos;A. Ramani;V. Papageorgiou

  • Nonlinear evolution equations and ordinary differential equations of painlevè type

    M. J. Ablowitz;A. Ramani;H. Segur

  • The Painlevé property and singularity analysis of integrable and non-integrable systems

    A. Ramani;B. Grammaticos;T. Bountis

  • Discrete versions of the Painlevé equations.

    A. Ramani;B. Grammaticos;J. Hietarinta

  • Painlevé Conjecture Revisited

    A. Ramani;B. Dorizzi;B. Grammaticos

  • Structural stability of the Korteweg-De Vries solitons under a singular perturbation

    Y. Pomeau;A. Ramani;B. Grammaticos

  • Precollapse Scale Invariance in Gravitational Instability

    F. Moutarde;J.-M. Alimi;F. R. Bouchet;R. Pellat

  • Discrete Painlevé equations: coalescences, limits and degeneracies

    A. Ramani;B. Grammaticos

  • Are all the equations of the Kadomtsev–Petviashvili hierarchy integrable?

    B. Dorizzi;B. Grammaticos;A. Ramani;P. Winternitz

  • Extending the SIR epidemic model

    J Satsuma;R Willox;A Ramani;B Grammaticos

  • From Continuous to Discrete Painlevé Equations

    A.S. Fokas;B. Grammaticos;A. Ramani

  • Coupling-Constant Metamorphosis and Duality between Integrable Hamiltonian Systems

    J. Hietarinta;B. Grammaticos;B. Dorizzi;A. Ramani

  • Integrability of Hamiltonians with third‐ and fourth‐degree polynomial potentials

    B. Grammaticos;B. Dorizzi;A. Ramani

  • Integrable Hamiltonian Systems With Velocity Dependent Potentials

    B. Dorizzi;B. Grammaticos;A. Ramani;P. Winternitz

  • Discrete Painlevé Equations

    Basile Grammaticos;Frank W. Nijhoff;Alfred Ramani

  • On Discrete Painlevé Equations Associated with the Lattice KdV Systems and the Painlevé VI Equation

    F. W. Nijhoff;A. Ramani;B. Grammaticos;Y. Ohta

  • Isomonodromic deformation problems for discrete analogues of Painlevé equations

    V.G. Papageorgiou;F.W. Nijhoff;B. Grammaticos;A. Ramani

  • On the complete and partial integrability of non-Hamiltonian systems

    T.C. Bountis;A. Ramani;B. Grammaticos;B. Dorizzi

  • Soliton structure of the Drinfel’d–Sokolov–Wilson equation

    R. Hirota;B. Grammaticos;A. Ramani

  • Integrals of quadratic ordinary differential equations in R3: The Lotka-Volterra system

    B. Grammaticos;J. Moulin-Ollagnier;A. Ramani;J.-M. Strelcyn

Frequent Co-Authors

B. Grammaticos
B. Grammaticos University of Paris-Saclay
Junkichi Satsuma
Junkichi Satsuma Musashino University
Jarmo Hietarinta
Jarmo Hietarinta University of Turku
Frank W. Nijhoff
Frank W. Nijhoff University of Leeds
Pavel Winternitz
Pavel Winternitz University of Montreal
Ryogo Hirota
Ryogo Hirota Waseda University
Yves Pomeau
Yves Pomeau École Polytechnique
Tassos Bountis
Tassos Bountis University of Patras
M. Lakshmanan
M. Lakshmanan Bharathidasan University
Michio Jimbo
Michio Jimbo Rikkyo University

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