World's Best Scientists 2026 revealed!

D-Index & Metrics

Mathematics

D-Index
39
Citations
7282
World Ranking
2169
National Ranking
916

Alexander Its 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 Alexander Its 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: 158 publications — 42nd percentile

42% of scientists in this discipline score the same or lower.

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

Alexander Its 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 Alexander Its 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: 39 D-Index — 41st percentile

41% 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

  • 2013 - Fellow of the American Mathematical Society

Overview

Alexander Its is affiliated with Indiana University - Purdue University Indianapolis in the United States. Their research spans the fields of Mathematics and Physics and Astronomy, with a significant focus on subfields such as Statistical and Nonlinear Physics, Geometry and Topology, Mathematical Physics, Statistics and Probability, and Applied Mathematics.

The scientist has contributed extensively to topics that include Nonlinear Waves and Solitons, Random Matrices and Applications, Advanced Differential Equations and Dynamical Systems, Algebraic Structures and Combinatorial Models, Stochastic Processes and Statistical Mechanics, Algebraic Geometry and Number Theory, and Spectral Theory in Mathematical Physics.

Alexander Its has a record of frequent collaborations with several co-authors, namely Kenta Miyahara, Roozbeh Gharakhloo, Martin A. Guest, Maksim Kosmakov, and Ryosuke Odoi.

Publications by Alexander Its appear in a variety of academic venues. The most frequent ones include:

  • arXiv (Cornell University)
  • Nonlinearity
  • Letters in Mathematical Physics
  • Symmetry Integrability and Geometry Methods and Applications
  • Journal of Statistical Physics

Recent papers provide insight into the scope of their research:

  • "A Riemann-Hilbert Approach to Asymptotic Analysis of Toeplitz+Hankel Determinants," 2020, Symmetry Integrability and Geometry Methods and Applications
  • "Asymptotics of Bordered Toeplitz Determinants and Next-to-Diagonal Ising Correlations," 2022, Journal of Statistical Physics
  • "Harold Widom's work in random matrix theory," 2022, Bulletin of the American Mathematical Society
  • "The tt*-Toda equations of A_n type," 2023, arXiv (Cornell University)
  • "Connection formulae for the radial Toda equations I," 2025, Nonlinearity

Alexander Its was awarded the title of Fellow of the American Mathematical Society in 2013.

Best Publications

  • Differential Equations for Quantum Correlation Functions

    A.R. Its;A.G. Izergin;V.E. Korepin;N.A. Slavnov

  • Semiclassical asymptotics of orthogonal polynomials, Riemann-Hilbert problem, and universality in the matrix model

    Pavel Bleher;Alexander Its

  • Isomonodromic Deformation Method in the Theory of Painleve Equations

    Alexander R. Its;Victor Yu. Novokshenov

  • Entanglement in XY Spin Chain

    A. R. Its;B. Q. Jin;V. E. Korepin

  • A Riemann-Hilbert approach to asymptotic problems arising in the theory of random matrix models, and also in the theory of integrable statistical mechanics

    Percy A. Deift;Alexander R. Its;Xin Zhou

  • Entanglement in the XY spin chain

    A. R. Its;B. Q. Jin;B. Q. Jin;V. E. Korepin

  • The nonlinear Schrödinger equation on the half-line

    A. S Fokas;A. R Its;L.-Y Sung

  • Asymptotics of Toeplitz, Hankel, and Toeplitz+Hankel determinants with Fisher-Hartwig singularities

    Percy Deift;Alexander Its;Igor Krasovsky

  • Double scaling limit in the random matrix model: The Riemann-Hilbert approach

    Pavel M. Bleher;Alexander R. Its

  • Toeplitz matrices and toeplitz determinants under the impetus of the ising model: Some history and some recent results

    Percy Deift;Alexander Its;Igor Krasovsky

  • Renyi entropy of the XY spin chain

    F Franchini;A R Its;V E Korepin

  • Painlevé III and a singular linear statistics in Hermitian random matrix ensembles, I

    Yang Chen;Alexander Its

  • Asymptotics of the Airy-kernel determinant

    P. Deift;A. Its;I. Krasovsky;I. Krasovsky

  • The nonlinear Schrödinger equation on the interval

    A S Fokas;A R Its

  • Hankel determinant and orthogonal polynomials for the Gaussian weight with a jump

    A. Its;I. Krasovsky

  • Asymptotics of the partition function of a random matrix model

    Pavel M. Bleher;Alexander R. Its

  • Long-Time Asymptotics for the Focusing NLS Equation with Time-Periodic Boundary Condition on the Half-Line

    Anne Boutet de Monvel;Alexander Its;Vladimir Kotlyarov

  • Random Words, Toeplitz Determinants and Integrable Systems. II

    Alexander R. Its;Craig A. Tracy;Harold Widom

  • Random Matrix Models and Their Applications

    Pavel M. Bleher;Alexander R Its

  • ON THE ALGEBRO-GEOMETRIC INTEGRATION OF THE SCHLESINGER EQUATIONS

    P. Deift;A. Its;A. Kapaev;X. Zhou

Frequent Co-Authors

Vladimir E. Korepin
Vladimir E. Korepin Stony Brook University
Percy Deift
Percy Deift Courant Institute of Mathematical Sciences
Pavel Bleher
Pavel Bleher Indiana University – Purdue University Indianapolis
Alexander I. Bobenko
Alexander I. Bobenko Technical University of Berlin
Xin Zhou
Xin Zhou Beihang University
Nicolai Reshetikhin
Nicolai Reshetikhin Tsinghua University
Athanassios S. Fokas
Athanassios S. Fokas University of Cambridge
Nikita Andreevich Slavnov
Nikita Andreevich Slavnov Steklov Mathematical Institute
Harold Widom
Harold Widom University of California, Santa Cruz

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

For those studying Mathematics in the USA, exploring related online degrees can open diverse career opportunities. Many students consider business-oriented programs that complement their analytical skills, such as pursuing the easiest MBA programs. These programs offer flexibility and practical knowledge that can enhance leadership and management capabilities.

If affordability is a priority, exploring affordable options is crucial. The master of finance online programs present a budget-friendly way to deepen financial expertise, which pairs well with a mathematical background. Similarly, for professionals aiming for higher academic qualifications, the cheapest DBA online programs make advanced study accessible without a hefty price tag.

Choosing the right program often involves balancing ease of entry and quality of education. Resources highlighting the easiest MBA program options can guide students toward programs that fit their lifestyle and career goals while maximizing return on investment.

Overall, pursuing related online degrees can significantly broaden career pathways for Mathematics students, offering roles in finance, analytics, research, and management.

Best Scientists Citing Alexander Its

Trending Scientists

Recently Published Articles