World's Best Scientists 2026 revealed!
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Mathematics
Japan
2026

D-Index & Metrics

Mathematics

D-Index
58
Citations
11736
World Ranking
644
National Ranking
32

Engineering and Technology

D-Index
63
Citations
13471
World Ranking
1790
National Ranking
358

Masahito Hayashi 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 Masahito Hayashi 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: 368 publications — 92nd percentile

92% of scientists in this discipline score the same or lower.

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

Masahito Hayashi 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 Masahito Hayashi 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: 58 D-Index — 83rd percentile

83% 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

  • 2026 - Research.com Mathematics in Japan Leader Award
  • 2025 - Research.com Mathematics in Japan Leader Award

Overview

Masahito Hayashi is affiliated with Nagoya University in Japan and specializes in computer science, focusing extensively on quantum information and cryptography. Their research spans several interconnected subfields, including artificial intelligence, atomic and molecular physics and optics, electrical and electronic engineering, computer networks and communications, and computational theory and mathematics.

The scientist's primary research topics encompass quantum information and cryptography, quantum computing algorithms and architecture, quantum mechanics and applications, wireless communication security techniques, cooperative communication and network coding, cryptography and data security, and error correcting code techniques.

Masahito Hayashi has contributed to papers published in a variety of scientific venues. Frequent publication platforms include:

  • arXiv (Cornell University)
  • IEEE Transactions on Information Theory
  • Quantum
  • IEEE Transactions on Communications
  • New Journal of Physics

Some recent papers featuring Masahito Hayashi's work or collaborations include:

  • "Application of the Resource Theory of Channels to Communication Scenarios," 2020, Physical Review Letters
  • "Quantum Secure Direct Communication with Private Dense Coding Using a General Preshared Quantum State," 2022, Physical Review Applied
  • "Physical Layer Security Protocol for Poisson Channels for Passive Man-in-the-Middle Attack," 2020, IEEE Transactions on Information Forensics and Security
  • "Capacity of Quantum Private Information Retrieval With Colluding Servers," 2021, IEEE Transactions on Information Theory
  • "Tight Exponential Analysis for Smoothing the Max-Relative Entropy and for Quantum Privacy Amplification," 2022, IEEE Transactions on Information Theory

Collaborations figure prominently in Hayashi's work, with frequent co-authors including:

  • Seunghoan Song
  • Hayato Arai
  • M. A. Vázquez-Castro
  • Ning Cai
  • Kun Wang

Best Publications

  • Quantum information

    Masahito Hayashi

  • Quantum information with Gaussian states

    Xiang-Bin Wang;Tohya Hiroshima;Akihisa Tomita;Masahito Hayashi

  • Information Spectrum Approach to Second-Order Coding Rate in Channel Coding

    M. Hayashi

  • General formulas for capacity of classical-quantum channels

    M. Hayashi;H. Nagaoka

  • A Hierarchy of Information Quantities for Finite Block Length Analysis of Quantum Tasks

    Marco Tomamichel;Masahito Hayashi

  • Quantum Information Theory

    Masahito Hayashi

  • Exponential Decreasing Rate of Leaked Information in Universal Random Privacy Amplification

    M Hayashi

  • General nonasymptotic and asymptotic formulas in channel resolvability and identification capacity and their application to the wiretap channel

    M. Hayashi

  • Bounds on multipartite entangled orthogonal state discrimination using local operations and classical communication.

    M. Hayashi;D. Markham;M. Murao;M. Murao;M. Owari

  • Asymptotic theory of quantum statistical inference : selected papers

    Masahito Hayashi

  • Optimal sequence of quantum measurements in the sense of Stein's lemma in quantum hypothesis testing

    Masahito Hayashi

  • An Information-Spectrum Approach to Classical and Quantum Hypothesis Testing for Simple Hypotheses

    H. Nagaoka;M. Hayashi

  • Error exponent in asymmetric quantum hypothesis testing and its application to classical-quantum channel coding

    Masahito Hayashi

  • Prior entanglement between senders enables perfect quantum network coding with modification

    Masahito Hayashi

  • Verifiable Measurement-Only Blind Quantum Computing with Stabilizer Testing

    Masahito Hayashi;Tomoyuki Morimae

  • Second-Order Asymptotics in Fixed-Length Source Coding and Intrinsic Randomness

    M. Hayashi

  • Quantum network coding

    Masahito Hayashi;Kazuo Iwama;Harumichi Nishimura;Rudy Raymond

  • Discrimination of Two Channels by Adaptive Methods and Its Application to Quantum System

    M. Hayashi

  • On error exponents in quantum hypothesis testing

    T. Ogawa;M. Hayashi

  • Upper bounds of eavesdropper’s performances in finite-length code with the decoy method

    Masahito Hayashi

  • Quantum Information: An Introduction

    Masahito Hayashi

Frequent Co-Authors

Vincent Y. F. Tan
Vincent Y. F. Tan National University of Singapore
Marco Tomamichel
Marco Tomamichel National University of Singapore
Akihisa Tomita
Akihisa Tomita Hokkaido University
Ritsu Kamiya
Ritsu Kamiya University of Tokyo
Kazuo Iwama
Kazuo Iwama Kyoto University
Mario Berta
Mario Berta RWTH Aachen University
Hiroshi Imai
Hiroshi Imai University of Tokyo
Matthieu R. Bloch
Matthieu R. Bloch Georgia Institute of Technology
Ken-ichi Kitayama
Ken-ichi Kitayama Osaka University
Mikio Fujiwara
Mikio Fujiwara National Institute of Information and Communications Technology

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