World's Best Scientists 2026 revealed!
Andris Ambainis

Andris Ambainis

D-Index & Metrics

Computer Science

D-Index
54
Citations
12168
World Ranking
4545
National Ranking
1

Andris Ambainis 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 Andris Ambainis 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: 211 publications — 50th percentile

50% of scientists in this discipline score the same or lower.

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

Andris Ambainis 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 Andris Ambainis 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: 54 D-Index — 69th percentile

69% 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 - Fellow of Alfred P. Sloan Foundation

Overview

Andris Ambainis is affiliated with the University of Latvia in Latvia. Their research spans predominantly the field of Computer Science, with a focus on several subfields including Artificial Intelligence, Computational Theory and Mathematics, Atomic and Molecular Physics and Optics, Nuclear and High Energy Physics, as well as Computer Networks and Communications.

The scientist's work covers multiple main topics, primarily centered around Quantum Computing Algorithms and Architecture. Other areas of research include Quantum Information and Cryptography, Computability, Logic, AI Algorithms, Complexity and Algorithms in Graphs, Machine Learning and Algorithms, Quantum and Electron Transport Phenomena, and Optimization and Search Problems.

Frequent publication venues for Andris Ambainis include:

  • arXiv (Cornell University)
  • Leibniz-Zentrum für Informatik (Schloss Dagstuhl)
  • Zenodo (CERN European Organization for Nuclear Research)
  • Nature Reviews Physics
  • Physical review. D/Physical review. D.

Some of the recent papers authored or co-authored by Andris Ambainis are:

  • Quantum Lower and Upper Bounds for 2D-Grid and Dyck Language, 2020, Leibniz-Zentrum für Informatik (Schloss Dagstuhl)
  • Quantum Lower and Upper Bounds for 2D-Grid and Dyck Language, 2020, arXiv (Cornell University)
  • Challenges and opportunities in quantum optimization, 2024, Nature Reviews Physics
  • Quantum speedup for track reconstruction in particle accelerators, 2022, Physical review. D/Physical review. D.
  • Quantum Circuit Mapping Based on Incremental and Parallel SAT Solving, 2024, Leibniz-Zentrum für Informatik (Schloss Dagstuhl)

Andris Ambainis collaborates frequently with several co-authors. Some of the most frequent collaborators include Jevgēnijs Vihrovs, Martins Kokainis, Krišjānis Prūsis, Vyacheslavs Kashcheyevs, and Kaspars Balodis.

In 2008, Andris Ambainis was named a Fellow of the Alfred P. Sloan Foundation.

Best Publications

  • Quantum Walk Algorithm for Element Distinctness

    Andris Ambainis

  • QUANTUM WALKS AND THEIR ALGORITHMIC APPLICATIONS

    Andris Ambainis

  • Quantum walks on graphs

    Dorit Aharonov;Andris Ambainis;Julia Kempe;Umesh Vazirani

  • One-dimensional quantum walks

    Andris Ambainis;Eric Bach;Ashwin Nayak;Ashvin Vishwanath

  • Quantum Search of Spatial Regions

    Scott Aaronson;Andris Ambainis

  • 1-way quantum finite automata: strengths, weaknesses and generalizations

    A. Ambainis;R. Freivalds

  • Coins make quantum walks faster

    Andris Ambainis;Julia Kempe;Alexander Rivosh

  • Quantum lower bounds by quantum arguments

    Andris Ambainis

  • Dense quantum coding and quantum finite automata

    Andris Ambainis;Ashwin Nayak;Amnon Ta-Shma;Umesh Vazirani

  • Private quantum channels

    A. Ambainis;M. Mosca;A. Tapp;R. De Wolf

  • Upper Bound on Communication Complexity of Private Information Retrieval

    Andris Ambainis

  • Two-way finite automata with quantum and classical states

    Andris Ambainis;John Watrous

  • Any AND-OR Formula of Size $N$ Can Be Evaluated in Time $N^{1/2+o(1)}$ on a Quantum Computer

    A. Ambainis;A. M. Childs;B. W. Reichardt;R. Špalek

  • Polynomial degree vs. quantum query complexity

    A. Ambainis

  • Quantum search algorithms

    A. Ambainis

  • Spatial Search by Quantum Walk is Optimal for Almost all Graphs.

    Shantanav Chakraborty;Leonardo Novo;Andris Ambainis;Yasser Omar

  • ANY AND-OR FORMULA OF SIZE N CAN BE EVALUATED IN TIME N1/2+o(1) ON A QUANTUM COMPUTER

    A. Ambainis;A. M. Childs;B. W. Reichardt;R. Spalek

  • Dense quantum coding and a lower bound for 1-way quantum automata

    Andris Ambainis;Ashwin Nayak;Ammon Ta-Shma;Umesh Vazirani

  • Quantum Attacks on Classical Proof Systems: The Hardness of Quantum Rewinding

    Andris Ambainis;Ansis Rosmanis;Dominique Unruh

  • Quantum t-designs: t-wise Independence in the Quantum World

    A. Ambainis;J. Emerson

Frequent Co-Authors

Ronald de Wolf
Ronald de Wolf University of Amsterdam
Scott Aaronson
Scott Aaronson The University of Texas at Austin
Kazuo Iwama
Kazuo Iwama Kyoto University
Umesh Vazirani
Umesh Vazirani University of California, Berkeley
Julia Kempe
Julia Kempe New York University
Dominique Unruh
Dominique Unruh University of Tartu
Andrew M. Childs
Andrew M. Childs University of Maryland, College Park
Harry Buhrman
Harry Buhrman University of Amsterdam
Leonard J. Schulman
Leonard J. Schulman California Institute of Technology
Amnon Ta-Shma
Amnon Ta-Shma Tel Aviv University

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