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D-Index & Metrics

Mathematics

D-Index
30
Citations
3026
World Ranking
3562
National Ranking
1375

Evans M. Harrell 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 Evans M. Harrell 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: 114 publications — 18th percentile

18% of scientists in this discipline score the same or lower.

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

Evans M. Harrell 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 Evans M. Harrell 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: 30 D-Index — 5th percentile

5% of scientists in this discipline score the same or lower.

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

Overview

Evans M. Harrell is affiliated with the Georgia Institute of Technology in the United States and specializes in mathematics, with a primary focus on mathematical physics. Their research integrates several interrelated subfields, including mathematical physics, geometry and topology, computational theory and mathematics, atomic and molecular physics and optics, and statistical and nonlinear physics.

The main topics covered in their work include:

  • Spectral Theory in Mathematical Physics
  • Graph theory and applications
  • Matrix Theory and Algorithms
  • Numerical methods in inverse problems
  • Advanced Mathematical Modeling in Engineering
  • Quantum chaos and dynamical systems
  • Markov Chains and Monte Carlo Methods

Evans M. Harrell has contributed to the following research papers:

  • On topological bound states and secular equations for quantum-graph eigenvalues, 2024, Journal of Spectral Theory
  • The Heat Kernel on the Diagonal for a Compact Metric Graph, 2022, Annales Henri Poincaré
  • Gaps between consecutive eigenvalues for compact metric graphs, 2023, Journal of Mathematical Analysis and Applications
  • Optimizing the fundamental eigenvalue gap of quantum graphs, 2024, Journal of Physics A Mathematical and Theoretical
  • Optimizing the Fundamental Eigenvalue Gap of Quantum Graphs, 2024, arXiv (Cornell University)

Frequent co-authors collaborating with Evans M. Harrell include:

  • David Borthwick
  • Mohammed Ahrami
  • Zakaria El Allali
  • Anna Maltsev
  • Haozhe Yu

Their research is commonly published in venues such as:

  • arXiv (Cornell University)
  • Journal of Spectral Theory
  • Annales Henri Poincaré
  • Journal of Mathematical Analysis and Applications
  • Journal of Physics A Mathematical and Theoretical

Best Publications

  • A physical short-channel threshold voltage model for undoped symmetric double-gate MOSFETs

    Qiang Chen;E.M. Harrell;J.D. Meindl

  • Quantum mechanics of atoms and molecules

    Walter E. Thirring;Evans M. Harrell

  • The mathematical theory of resonances whose widths are exponentially small

    E. Harrell;B. Simon

  • On trace identities and universal eigenvalue estimates for some partial differential operators

    Evans M. Harrell;Joachim Stubbe

  • On the rate of asymptotic eigenvalue degeneracy

    Evans M. Harrell

  • Universal inequalities for the eigenvalues of Laplace and Schrodinger operators on submanifolds

    Ahmad El Soufi;Evans M. Harrell;Saïd Ilias

  • Double Wells

    Unknown

  • Singular perturbation potentials

    Evans M. Harrell

  • On the placement of an obstacle or a well so as to optimize the fundamental eigenvalue

    Evans M. Harrell;Pawel Kröger;Kazuhiro Kurata

  • Bender-Wu Formula and the Stark Effect in Hydrogen

    L. Benassi;V. Grecchi;E. Harrell;B. Simon

  • Quantum mathematical physics : atoms, molecules and large systems

    Walter E. Thirring;Evans M. Harrell

  • Commutator Bounds for Eigenvalues, with Applications to Spectral Geometry

    Evans M. Harrell;Patricia L. Michel

  • High-order perturbation theory of the imaginary part of the resonance eigenvalues of the Stark effect in hydrogen and of the anharmonic oscillator with negative anharmonicity

    Harris J. Silverstone;Evans Harrell;Christina Grot

  • Commutators, Eigenvalue Gaps, and Mean Curvature in the Theory of Schrödinger Operators

    Evans M. Harrell

  • The band-structure of a one-dimensional, periodic system in a scaling limit

    Evans M Harrell

  • Some geometric bounds on eigenvalue gaps

    Evans M. Harrell

  • Optimal Eigenvalues for Some Laplacians and Schrödinger Operators Depending on Curvature

    Pavel Exner;Evans M. Harrell;Michael Loss

  • Perturbation theory for shape resonances and large barrier potentials

    Mark S. Ashbaugh;Evans M. Harrell

  • Double jeopardy in the nanoscale court [MOSFET modeling]

    Qiang Chen;K.A. Bowman;E.M. Harrell;J.D. Meindl

  • Conformally flat Riemannian metrics, Schrödinger operators, and semiclassical approximation

    E.B Davies;Evans M Harrell

  • 1/R expansion for H 2 + : Calculation of exponentially small terms and asymptotics

    Jiří Cížek;Robert J. Damburg;Sandro Graffi;Vincenzo Grecchi

  • Universal inequalities for the eigenvalues of Laplace and Schr"odinger operators on submanifolds,

    A. El Soufi;E.M. Harrell;S. Ilias

Frequent Co-Authors

Michael Loss
Michael Loss Georgia Institute of Technology
Pavel Exner
Pavel Exner Czech Technical University in Prague
Barry Simon
Barry Simon California Institute of Technology
James D. Meindl
James D. Meindl Georgia Institute of Technology
Josef Paldus
Josef Paldus University of Waterloo
Keith Bowman
Keith Bowman Qualcomm (United States)
Michael T. Lacey
Michael T. Lacey Georgia Institute of Technology
Jeffrey S. Geronimo
Jeffrey S. Geronimo Georgia Institute of Technology
Eric A. Carlen
Eric A. Carlen Rutgers, The State University of New Jersey
Edward Davies
Edward Davies King's College London

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