World's Best Scientists 2026 revealed!

D-Index & Metrics

Mathematics

D-Index
43
Citations
13710
World Ranking
1649
National Ranking
711

Beresford N. Parlett 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 Beresford N. Parlett 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: 176 publications — 52nd percentile

52% of scientists in this discipline score the same or lower.

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

Beresford N. Parlett 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 Beresford N. Parlett 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: 43 D-Index — 54th percentile

54% 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

  • 2011 - SIAM Fellow For contributions to numerical linear algebra.

Overview

Beresford N. Parlett is a researcher affiliated with the University of California, Berkeley in the United States. Their work spans multiple fields, primarily focusing on computer science, physics and astronomy, and mathematics.

Their research includes contributions in several subfields, such as computational theory and mathematics, statistical and nonlinear physics, geometry and topology, numerical analysis, and atomic and molecular physics and optics.

The main topics covered by Beresford N. Parlett include:

  • Matrix Theory and Algorithms
  • Advanced Mathematical Theories and Applications
  • Graph Theory and Applications
  • Advanced Optimization Algorithms Research
  • Electromagnetic Scattering and Analysis

Beresford N. Parlett has coauthored papers, notably with Carla Ferreira. Their frequent co-author is:

  • Carla Ferreira

Publication venues for Beresford N. Parlett include:

  • SIAM Journal on Matrix Analysis and Applications
  • Numerische Mathematik

Two recent papers authored include:

  • "Eigenpairs of Wilkinson Matrices," published in 2020 in the SIAM Journal on Matrix Analysis and Applications
  • "A real triple dqds algorithm for the nonsymmetric tridiagonal eigenvalue problem," published in 2022 in Numerische Mathematik

In recognition of their work, Beresford N. Parlett was named a SIAM Fellow in 2011 for contributions to numerical linear algebra.

Best Publications

  • The Symmetric Eigenvalue Problem

    Beresford N. Parlett

  • Direct Methods for Solving Symmetric Indefinite Systems of Linear Equations

    J. R. Bunch;B. N. Parlett

  • The Lanczos algorithm with selective orthogonalization

    B. N. Parlett;D. S. Scott

  • On generalized successive overrelaxation methods for augmented linear systems

    Zhong-Zhi Bai;Beresford N. Parlett;Zeng-Qi Wang

  • Approximate solutions and eigenvalue bounds from Krylov subspaces

    Chris C. Paige;Beresford N. Parlett;Henk A. van der Vorst

  • A Look Ahead Lanczos Algorithm for Unsymmetric Matrices

    B. N. Parlett;D. Taylor

  • Accurate Singular Values and Differential QD Algorithms

    K. V. Fernando;Beresford N. Parlett

  • The Rayleigh Quotient Iteration and Some Generalizations for Nonnormal Matrices

    B. N. Parlett

  • Balancing a matrix for calculation of eigenvalues and eigenvectors

    B. N. Parlett;C. Reinsch

  • Multiple representations to compute orthogonal eigenvectors of symmetric tridiagonal matrices

    Inderjit S. Dhillon;Beresford N. Parlett

  • Orthogonal Eigenvectors and Relative Gaps

    Inderjit S. Dhillon;Beresford N. Parlett

  • Reduction to tridiagonal form and minimal realizations

    Beresford N. Parlett

  • A new look at the Lanczos algorithm for solving symmetric systems of linear equations

    B.N. Parlett

  • Decomposition of a symmetric matrix

    James R. Bunch;Linda Kaufman;Beresford N. Parlett

  • A recurrence among the elements of functions of triangular matrices

    B.N. Parlett

  • Residual Bounds on Approximate Eigensystems of Nonnormal Matrices

    W. Kahan;B. N. Parlett;E. Jiang

  • Laguerre's Method Applied to the Matrix Eigenvalue Problem

    Beresford Parlett

  • The design and implementation of the MRRR algorithm

    Inderjit S. Dhillon;Beresford N. Parlett;Christof Vömel

  • Lanczos versus subspace iteration for solution of eigenvalue problems

    Bahram Nour-Omid;Beresford N. Parlett;Robert L. Taylor

  • Performance and Accuracy of LAPACK's Symmetric Tridiagonal Eigensolvers

    James W. Demmel;Osni A. Marques;Beresford N. Parlett;Christof Vömel

  • The Symmetric Eigenvalue Problem.

    James H. Wilkinson;Beresford N. Parlett

Frequent Co-Authors

Inderjit S. Dhillon
Inderjit S. Dhillon Google (United States)
James Demmel
James Demmel University of California, Berkeley
Jakub Kurzak
Jakub Kurzak Advanced Micro Devices (Canada)
Piotr Luszczek
Piotr Luszczek University of Tennessee at Knoxville
Stanimire Tomov
Stanimire Tomov University of Tennessee at Knoxville
Jack Dongarra
Jack Dongarra University of Tennessee at Knoxville
Michael A. Saunders
Michael A. Saunders Stanford University
Raymond H. Chan
Raymond H. Chan Lingnan University
Michele Benzi
Michele Benzi Scuola Normale Superiore di Pisa
Jan S. Hesthaven
Jan S. Hesthaven Karlsruhe Institute of Technology

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