World's Best Scientists 2026 revealed!
Cristian S. Calude

Cristian S. Calude

D-Index & Metrics

Computer Science

D-Index
35
Citations
9955
World Ranking
11439
National Ranking
33

Cristian S. Calude publication distribution in Computer Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Computer Science in 2026. The highlighted bar marks where Cristian S. Calude sits on this spectrum.

32–41 publications: 7 scientists 42–51 publications: 22 scientists 52–61 publications: 82 scientists 62–71 publications: 134 scientists 72–81 publications: 249 scientists 82–91 publications: 324 scientists 92–101 publications: 421 scientists 102–111 publications: 420 scientists 112–121 publications: 497 scientists 122–131 publications: 544 scientists 132–141 publications: 555 scientists 142–151 publications: 609 scientists 152–161 publications: 559 scientists 162–171 publications: 534 scientists 172–181 publications: 556 scientists 182–191 publications: 583 scientists 192–201 publications: 519 scientists 202–211 publications: 508 scientists 212–221 publications: 490 scientists 222–231 publications: 437 scientists 232–241 publications: 423 scientists 242–251 publications: 408 scientists 252–261 publications: 377 scientists 262–271 publications: 301 scientists 272–281 publications: 335 scientists 282–291 publications: 320 scientists 292–301 publications: 293 scientists 302–311 publications: 250 scientists 312–321 publications: 238 scientists 322–331 publications: 206 scientists 332–341 publications: 209 scientists 342–351 publications: 208 scientists 352–361 publications: 162 scientists 362–371 publications: 176 scientists 372–381 publications: 127 scientists 382–391 publications: 158 scientists 392–401 publications: 128 scientists 402–411 publications: 104 scientists 412–421 publications: 94 scientists 422–431 publications: 99 scientists 432–441 publications: 83 scientists 442–451 publications: 108 scientists 452–461 publications: 73 scientists 462–471 publications: 77 scientists 472–481 publications: 69 scientists 482–491 publications: 84 scientists 492–501 publications: 62 scientists 502–511 publications: 54 scientists 512–521 publications: 57 scientists 522–531 publications: 51 scientists 532–541 publications: 51 scientists 542–551 publications: 32 scientists 552–561 publications: 38 scientists 562–571 publications: 28 scientists 572–581 publications: 43 scientists 582–591 publications: 33 scientists 592–601 publications: 41 scientists 602–611 publications: 32 scientists 612–621 publications: 28 scientists 622–631 publications: 25 scientists 632–641 publications: 27 scientists 642–651 publications: 17 scientists 652–661 publications: 20 scientists 662–671 publications: 17 scientists 672–681 publications: 15 scientists 682–691 publications: 14 scientists 692–701 publications: 21 scientists 702–711 publications: 13 scientists 712–721 publications: 12 scientists 722–731 publications: 19 scientists 732–741 publications: 14 scientists 742–751 publications: 12 scientists 752–761 publications: 10 scientists 762–771 publications: 10 scientists 772–781 publications: 11 scientists 782–791 publications: 10 scientists 792–801 publications: 11 scientists 802–811 publications: 8 scientists 812–821 publications: 8 scientists 822–831 publications: 7 scientists 832–841 publications: 11 scientists 842–851 publications: 10 scientists 852–861 publications: 5 scientists 862–871 publications: 9 scientists 872–881 publications: 4 scientists 882–891 publications: 6 scientists 892–901 publications: 3 scientists 902–911 publications: 6 scientists 912–921 publications: 3 scientists 922–931 publications: 2 scientists 932–941 publications: 2 scientists 942–951 publications: 2 scientists 952–961 publications: 3 scientists 962–971 publications: 3 scientists 972–981 publications: 3 scientists 982–990 publications: 5 scientists 991+ publications: 100 scientists
32 publications 991+

This scientist: 305 publications — 75th percentile

75% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 991 publications or more.

Cristian S. Calude D-index placement in Computer Science in 2026

The chart shows the D-index (discipline H-index) distribution of Computer Science scientists ranked by Research.com in 2026. The highlighted bar marks where Cristian S. Calude sits on this spectrum.

30–31 D-Index: 879 scientists 32–33 D-Index: 983 scientists 34–35 D-Index: 918 scientists 36–37 D-Index: 990 scientists 38–39 D-Index: 968 scientists 40–41 D-Index: 907 scientists 42–43 D-Index: 821 scientists 44–45 D-Index: 763 scientists 46–47 D-Index: 689 scientists 48–49 D-Index: 543 scientists 50–51 D-Index: 543 scientists 52–53 D-Index: 518 scientists 54–55 D-Index: 500 scientists 56–57 D-Index: 458 scientists 58–59 D-Index: 400 scientists 60–61 D-Index: 337 scientists 62–63 D-Index: 308 scientists 64–65 D-Index: 292 scientists 66–67 D-Index: 249 scientists 68–69 D-Index: 213 scientists 70–71 D-Index: 192 scientists 72–73 D-Index: 189 scientists 74–75 D-Index: 165 scientists 76–77 D-Index: 139 scientists 78–79 D-Index: 119 scientists 80–81 D-Index: 121 scientists 82–83 D-Index: 113 scientists 84–85 D-Index: 88 scientists 86–87 D-Index: 87 scientists 88–89 D-Index: 75 scientists 90–91 D-Index: 69 scientists 92–93 D-Index: 57 scientists 94–95 D-Index: 46 scientists 96–97 D-Index: 38 scientists 98–99 D-Index: 34 scientists 100–101 D-Index: 36 scientists 102–103 D-Index: 27 scientists 104–105 D-Index: 37 scientists 106–107 D-Index: 18 scientists 108–109 D-Index: 31 scientists 110–111 D-Index: 19 scientists 112–113 D-Index: 16 scientists 114–115 D-Index: 12 scientists 116–117 D-Index: 20 scientists 118–119 D-Index: 15 scientists 120–121 D-Index: 5 scientists 122–123 D-Index: 20 scientists 124–125 D-Index: 8 scientists 126–127 D-Index: 5 scientists 128–129 D-Index: 7 scientists 130 D-Index: 3 scientists 131+ D-Index: 98 scientists
30 D-Index 131+

This scientist: 35 D-Index — 20th percentile

20% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 131 D-Index or more.

Research.com Recognitions

  • 2008 - Member of Academia Europaea

Overview

Cristian S. Calude is affiliated with the University of Auckland in New Zealand and focuses on research within the broad field of Computer Science.

Their work extensively covers topics such as:

  • Computability, Logic, AI Algorithms
  • Quantum Computing Algorithms and Architecture
  • Quantum Mechanics and Applications
  • Semigroups and automata theory
  • Chaos-based Image/Signal Encryption
  • Formal Methods in Verification
  • Algorithms and Data Compression

The scientist's publications frequently appear in the following venues:

  • TUGraz OPEN Library (Graz University of Technology)
  • Theoretical Computer Science
  • arXiv (Cornell University)
  • Zenodo (CERN European Organization for Nuclear Research)
  • Preprints.org

Notable recent papers authored or co-authored by Cristian S. Calude include:

  • "Journal of Universal Computer Science," 2020, TUGraz OPEN Library (Graz University of Technology)
  • "Additive Distances and Quasi_Distances Between Words," 2020, Zenodo (CERN European Organization for Nuclear Research)
  • "Deciding Parity Games in Quasi-polynomial Time," 2020, SIAM Journal on Computing

The scientist has collaborated frequently with a group of co-authors including:

  • José Manuel Agüero Trejo
  • Karl Svozil
  • Patrick Gladding
  • Michael J. Dinneen
  • Alec Henderson

In addition to journal articles, Cristian S. Calude has contributed to book publications, such as "To Halt or Not to Halt? That Is the Question," published in 2020 by World Scientific.

Their work spans several subfields of study within computer science, notably:

  • Computational Theory and Mathematics
  • Artificial Intelligence
  • Atomic and Molecular Physics, and Optics
  • Computer Vision and Pattern Recognition
  • Molecular Biology

Cristian S. Calude has been recognized as a Member of Academia Europaea since 2008.

Best Publications

  • Information and Randomness: An Algorithmic Perspective

    Cristian S. Calude

  • The Deluge of Spurious Correlations in Big Data

    Cristian S. Calude;Giuseppe Longo;Giuseppe Longo

  • Discrete Mathematics and Theoretical Computer Science

    Cristian S. Calude;Michael J. Dinneen;Vincent Vajnovszki

  • Computing with Cells and Atoms: An Introduction to Quantum, DNA and Membrane Computing

    Cristian S. Calude;Gheorghe Păun

  • Information and Randomness

    Cristian S. Calude

  • Deciding parity games in quasipolynomial time

    Cristian S. Calude;Sanjay Jain;Bakhadyr Khoussainov;Wei Li

  • Deciding Parity Games in Quasi-polynomial Time

    Cristian S. Calude;Sanjay Jain;Bakhadyr Khoussainov;Wei Li

  • Recursively enumerable reals and Chaitin &Ω numbers

    Cristian S. Calude;Peter H. Hertling;Bakhadyr Khoussainov;Yongge Wang

  • Unconventional Models of Computation

    C. S. Calude;John L. Casti;M. J. Dinneen

  • Theories of computational complexity

    Cristian Calude

  • Bio-steps beyond Turing.

    Cristian S. Calude;Gheorghe Păun

  • Coins, Quantum Measurements, and Turing's Barrier

    Cristian S. Calude;Boris Pavlov

  • Quantum Randomness and Value Indefiniteness

    Cristian S. Calude;Karl Svozil

  • Experimental Evidence of Quantum Randomness Incomputability

    Cristian S. Calude;Michael J. Dinneen;Monica Dumitrescu;Karl Svozil

  • Multiset Processing : mathematical, computer science, and molecular computing points of view

    Cristian Calude;Gheorghe Păun;Grzegorz Rozenberg;Arto Salomaa

  • Computing a Glimpse of Randomness

    Cristian S. Calude;Michael J. Dinneen;Chi-Kou Shu

  • Recursively Enumerable Reals and Chaitin Omega Numbers

    Cristian Calude;Peter Hertling;Bakhadyr Khoussainov;Yongge Wang

  • Most programs stop quickly or never halt

    Cristian S. Calude;Michael A. Stay

  • On partial randomness

    Cristian S. Calude;Ludwig Staiger;Sebastiaan A. Terwijn

  • Natural halting probabilities, partial randomness, and zeta functions

    Cristian S. Calude;Michael A. Stay

  • A variant of the Kochen-Specker theorem localising value indefiniteness

    Alastair A. Abbott;Alastair A. Abbott;Cristian S. Calude;Karl Svozil;Karl Svozil

  • Algorithmic randomness, quantum physics, and incompleteness

    Cristian S. Calude

  • The mathematical theory of information

    Cristian S. Calude

Frequent Co-Authors

Gheorghe Paun
Gheorghe Paun Romanian Academy
Grzegorz Rozenberg
Grzegorz Rozenberg Leiden University
Arto Salomaa
Arto Salomaa Turku Centre for Computer Science
Susan Stepney
Susan Stepney University of York
John Hosking
John Hosking University of Auckland
Selim G. Akl
Selim G. Akl Queen's University
John P. Lewis
John P. Lewis Victoria University of Wellington
Vladimiro Sassone
Vladimiro Sassone University of Southampton
Andris Ambainis
Andris Ambainis University of Latvia
Jonathan M. Borwein
Jonathan M. Borwein University of Newcastle Australia

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