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Adhemar Bultheel

Adhemar Bultheel

Adhemar Bultheel 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 Adhemar Bultheel 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+

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

Adhemar Bultheel 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 Adhemar Bultheel 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+

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

Overview

Adhemar Bultheel is a researcher affiliated with KU Leuven in Belgium, whose work spans several areas within mathematics and materials chemistry. Their research contributions include a focus on applied mathematics, numerical analysis, and modeling and simulation, intersecting with atomic and molecular physics and optics.

The main fields of study represented in their work are:

  • Mathematics

Within these fields, Bultheel's subfields of specialization include:

  • Applied Mathematics
  • Materials Chemistry
  • Numerical Analysis
  • Modeling and Simulation
  • Atomic and Molecular Physics, and Optics

The primary topics covered in their research feature:

  • Mathematical functions and polynomials
  • Nanocluster Synthesis and Applications
  • Catalytic Processes in Materials Science
  • Fractional Differential Equations Solutions
  • Iterative Methods for Nonlinear Equations
  • Electromagnetic Scattering and Analysis
  • Matrix Theory and Algorithms

Bultheel has published extensively in academic journals, with frequent venues including:

  • European Mathematical Society Magazine
  • Numerical Algorithms
  • Journal of Computational and Applied Mathematics
  • ACS Catalysis
  • Complex Analysis and Operator Theory

Recent publications authored or co-authored by Bultheel demonstrate a disciplinary breadth across applied mathematics and materials science. Selected papers include:

  • "Coordination-Dependent Kinetics in the Catalysis of Gold Nanoclusters," 2021, ACS Catalysis
  • "Two-point Padé approximation to Herglotz-Riesz transforms," 2022, Numerical Algorithms
  • "Extremal polynomials on the unit circle with preassigned zeros and Two-point Partial Padé approximation," 2023, Journal of Computational and Applied Mathematics
  • "Positive quadrature formulas on an arc of the unit circle," 2024, Numerical Algorithms
  • "On Orthogonal Polynomials Related to Arithmetic and Harmonic Sequences," 2024, Complex Analysis and Operator Theory

Coauthorship frequently includes collaborations with:

  • Carlos Díaz Mendoza
  • Forrest H. Kaatz
  • Dmitry Yu. Murzin
  • Andreas Lasarow
  • Miodrag S. Petković

Best Publications

  • Orthogonal rational functions

    Adhemar Bultheel;Pablo Gonzalez-Vera;Erik Hendriksen;Olav Njastad

  • Generalized cross validation for wavelet thresholding

    Maarten Jansen;Maurits Malfait;Adhemar Bultheel

  • Pade´ techniques for model reduction in linear system theory: a survey

    A Bultheel;M van Barel

  • Computation of the fractional Fourier transform

    Adhemar Bultheel;Héctor E. Martı́nez Sulbaran

  • Multiple wavelet threshold estimation by generalized cross validation for images with correlated noise

    M. Jansen;A. Bultheel

  • Empirical Bayes approach to improve wavelet thresholding for image noise reduction

    Maarten Jansen;Adhemar Bultheel

  • Recent developments in the theory of the fractional Fourier and linear canonical transforms

    A. Bultheel;H. Martínez-Sulbaran

  • Linear algebra, rational approximation, and orthogonal polynomials

    Adhemar Bultheel;Marc van Barel

  • Laurent Series and Their Pade Approximations

    Adhemar Bultheel

  • A general module theoretic framework for vector M-Padé and matrix rational interpolation

    Marc Van Barel;Adhemar Bultheel

  • A new approach to the rational interpolation problem: the vector case

    Marc Van Barel;Adhemar Bultheel

  • Stabilised wavelet transforms for non-equispaced data smoothing

    Evelyne Vanraes;Maarten Jansen;Adhemar Bultheel

  • Rational approximation in linear systems and control

    A. Bultheel;B. De Moor

  • Encyclopaedia of Mathematics, Supplement III

    S. S. Abhyankar;V. Abramov;A. Adem;L. Aizenberg

  • The computation of orthogonal rational functions and their interpolating properties

    Adhemar Bultheel;Pablo González-Vera;Erik Hendriksen;Olav Njåstad

  • A connection between quadrature formulas on the unit circle and the interval [ - 1,1]

    Adhemar Bultheel;Leyla Daruis;Pablo González-Vera

  • On computing rational Gauss-Chebyshev quadrature formulas

    Joris Van Deun;Adhemar Bultheel;Pablo González Vera

  • Quadrature on the half-line and two-point Pade´ approximants to Stieltjes functions. Part I: algebraic aspects

    A. Bultheel;P. González-Vera;R. Orive

  • Learning to swim in a sea of wavelets

    Adhemar Bultheel

  • A Szeg˝o theory for rational functions

    Adhemar Bultheel;Pablo González-Vera;Erik Hendriksen;Olav Njåstad

Frequent Co-Authors

Takeshi Egami
Takeshi Egami University of Tennessee at Knoxville
Yves Rolain
Yves Rolain Vrije Universiteit Brussel
Dirk Roose
Dirk Roose KU Leuven
Rik Pintelon
Rik Pintelon Vrije Universiteit Brussel
Ernesto Estrada
Ernesto Estrada Institute for Cross-Disciplinary Physics and Complex Systems
Johan Schoukens
Johan Schoukens Eindhoven University of Technology
George Labahn
George Labahn University of Waterloo
Dmitry Yu. Murzin
Dmitry Yu. Murzin Åbo Akademi University
Francisco Marcellán
Francisco Marcellán Carlos III University of Madrid

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