World's Best Scientists 2026 revealed!

D-Index & Metrics

Mathematics

D-Index
40
Citations
7909
World Ranking
2020
National Ranking
858

Chi-Kwong Li 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 Chi-Kwong Li 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: 401 publications — 94th percentile

94% of scientists in this discipline score the same or lower.

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

Chi-Kwong Li 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 Chi-Kwong Li 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: 40 D-Index — 45th percentile

45% of scientists in this discipline score the same or lower.

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

Overview

Chi-Kwong Li is affiliated with William & Mary in the United States and has contributed extensively to the fields of mathematics and computer science. Their research spans several subfields, including computational theory and mathematics, algebra and number theory, applied mathematics, geometry and topology, and artificial intelligence.

The primary research topics covered in their work include matrix theory and algorithms, advanced topics in algebra, holomorphic and operator theory, quantum information and cryptography, graph theory and CDMA systems, algebraic structures and combinatorial models, and quantum computing algorithms and architecture.

Chi-Kwong Li has published research in numerous venues, with frequent appearances in arXiv (Cornell University), Linear Algebra and its Applications, Journal of Mathematical Analysis and Applications, Linear and Multilinear Algebra, and Acta Scientiarum Mathematicarum.

Recent scholarly papers include:

  • On the Mixed-Unitary Rank of Quantum Channels, 2022, Communications in Mathematical Physics
  • Joint numerical ranges and commutativity of matrices, 2020, Journal of Mathematical Analysis and Applications
  • Error correction schemes for fully correlated quantum channels protecting both quantum and classical information, 2020, Quantum Information Processing
  • Higher rank matricial ranges and hybrid quantum error correction, 2020, Linear and Multilinear Algebra
  • Coherence measures induced by norm functions, 2021, Journal of Mathematical Physics

Frequent coauthors collaborating with Chi-Kwong Li include:

  • Yiu-Tung Poon
  • Ya-Shu Wang
  • Edward Poon
  • Ngai-Ching Wong
  • Bojan Kuzma

The body of their work incorporates various mathematical theories and computational methodologies, intersecting closely with quantum information science and algebraic frameworks. This multidisciplinary approach contributes to both theoretical and applied aspects of mathematical sciences.

Best Publications

  • Linear preserver problems: A brief introduction and some special techniques

    Chi-Kwong Li;Nam-Kiu Tsing

  • Linear Preserver Problems

    Chi-Kwong Li;Stephen Pierce

  • Geometric Means

    Unknown

  • Chapter 9: miscellaneous preserver problems

    Leroy Beasley;Chi-Kwong Li;Stephen Pierce

  • Applications of Perron-Frobenius theory to population dynamics.

    Chi-Kwong Li;Hans Schneider

  • Convergence Properties of Preconditioned Hermitian and Skew-Hermitian Splitting Methods for Non-Hermitian Positive Semidefinite Matrices

    Zhong-Zhi Bai;Gene H. Golub;Chi-Kwong Li

  • Optimal Parameter in Hermitian and Skew-Hermitian Splitting Method for Certain Two-by-Two Block Matrices

    Zhong-Zhi Bai;Gene H. Golub.;Chi-Kwong Li

  • Numerical Range of Matrix Polynomials

    Chi-Kwong Li;Leiba Rodman

  • A note on convex stochastic dominance

    Wing Keung Wong;Chi Kwong Li

  • Some general techniques on linear preserver problems

    Alexander Guterman;Chi-Kwong Li;Peter Šemrl

  • C-numerical ranges and C-numerical radii

    Chi-Kwong Li

  • Extension of stochastic dominance theory to random variables

    Chi Kwong Li;Wing Keung Wong

  • Maps preserving product XY-YX∗ on factor von Neumann algebras

    Jianlian Cui;Chi-Kwong Li

  • Canonical forms, higher rank numerical ranges, totally isotropic subspaces, and matrix equations

    Chi-Kwong Li;Nung-Sing Sze

  • ON THE EVOLUTION OF DISPERSAL IN PATCHY LANDSCAPES

    Stephen Kirkland;Chi-Kwong Li;Sebastian J. Schreiber

  • Eigenvalues, singular values, and Littlewood-Richardson coefficients

    Sergey Fomin;William Fulton;Chi-Kwong Li;Yiu Tung Poon

  • Convexity of the Joint Numerical Range

    Chi-Kwong Li;Yiu-Tung Poon

  • A Note on Extreme Correlation Matrices

    Chi-Kwong Li;Bit-Shun Tam

  • Condition for the higher rank numerical range to be non-empty

    Chi-Kwong Li;Yiu-Tung Poon;Nung-Sing Sze

  • The generalized spectral radius, numerical radius and spectral norm

    Chi-Kwong Li;Tin-Yau Tam;Nam-Kiu Tsing

  • A simple proof of the elliptical range theorem

    Chi-Kwong Li

Frequent Co-Authors

Peter Šemrl
Peter Šemrl University of Ljubljana
Man-Duen Choi
Man-Duen Choi University of Toronto
Hans Schneider
Hans Schneider University of Wisconsin–Madison
Roger A. Horn
Roger A. Horn University of Utah
Charles R. Johnson
Charles R. Johnson William & Mary
Sergey Fomin
Sergey Fomin University of Michigan–Ann Arbor
Vern I. Paulsen
Vern I. Paulsen University of Waterloo
David W. Kribs
David W. Kribs University of Guelph
William Fulton
William Fulton University of Michigan–Ann Arbor
Sebastian J. Schreiber
Sebastian J. Schreiber University of California, Davis

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