World's Best Scientists 2026 revealed!

D-Index & Metrics

Mathematics

D-Index
31
Citations
2536
World Ranking
3408
National Ranking
208

Andreas Defant 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 Andreas Defant 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: 173 publications — 50th percentile

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

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

Andreas Defant 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 Andreas Defant 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: 31 D-Index — 9th percentile

9% of scientists in this discipline score the same or lower.

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

Overview

Andreas Defant is affiliated with the Carl von Ossietzky University of Oldenburg in Germany. Their research is primarily situated within the field of Mathematics, with a concentration on several specialized subfields including Applied Mathematics, Mathematical Physics, Geometry and Topology, Computational Theory and Mathematics, and Statistics and Probability.

Their work broadly addresses topics such as Holomorphic and Operator Theory, Advanced Banach Space Theory, Advanced Harmonic Analysis Research, Meromorphic and Entire Functions, Functional Equations Stability Results, Mathematical Analysis and Transform Methods, and Mathematical functions and polynomials.

The recent publications of Andreas Defant reveal a focus on various aspects of analysis, operator theory, and harmonic analysis, with papers published in several notable journals. Recent works include:

  • "Vector-valued general Dirichlet series," published in 2020 in Studia Mathematica
  • "Holomorphic functions of finite order generated by Dirichlet series," published in 2022 in Banach Journal of Mathematical Analysis
  • "Aspects of the Kahane-Salem-Zygmund inequalities in Banach spaces," published in 2022 in Revista de la Real Academia de Ciencias Exactas Físicas y Naturales Serie A Matemáticas
  • "Riesz means in Hardy spaces on Dirichlet groups," published in 2020 in Mathematische Annalen
  • "Subgaussian Kahane-Salem-Zygmund inequalities in Banach spaces," published in 2020 on arXiv (Cornell University)

Defant's frequent collaborators highlight a network of researchers with whom they have produced multiple works. These coauthors include Mieczysław Mastyło, Ingo Schoolmann, Daniel Galicer, Santiago Muro, and Martín Mansilla.

Their contributions are regularly published in venues such as arXiv (Cornell University), Revista de la Real Academia de Ciencias Exactas Físicas y Naturales Serie A Matemáticas, Mathematische Annalen, Banach Journal of Mathematical Analysis, and Studia Mathematica.

Best Publications

  • Tensor Norms and Operator Ideals

    Andreas Defant;Klaus Floret

  • The Bohnenblust-Hille inequality for homogeneous polynomials is hypercontractive

    Andreas Defant;Leonhard Frerick;Joaquim Ortega-Cerdà;Myriam Ounaïes

  • Coordinatewise multiple summing operators in Banach spaces

    Andreas Defant;Dumitru Popa;Ursula Schwarting

  • Variants of the Maurey–Rosenthal Theorem for Quasi Köthe Function Spaces

    Andreas Defant

  • Bohrs power series theorem and local Banach space theory

    Andreas Defant;Domingo García;Manuel Maestre

  • Dirichlet Series and Holomorphic Functions in High Dimensions

    Andreas Defant;Domingo García;Manuel Maestre;Pablo Sevilla-Peris

  • Bohr's strip for vector valued Dirichlet series

    Andreas Defant;Domingo García;Manuel Maestre;David Pérez-García

  • A new multilinear insight on Littlewood's 4/3-inequality

    Andreas Defant;Pablo Sevilla-Peris;Pablo Sevilla-Peris

  • A logarithmic lower bound for multi-dimensional bohr radii

    Andreas Defant;Leonhard Frerick

  • Unconditional Basis and Gordon–Lewis Constants for Spaces of Polynomials

    Andreas Defant;Juan Carlos Dı́az;Domingo Garcı́a;Manuel Maestre

  • Bohr radii of vector valued holomorphic functions

    Andreas Defant;Manuel Maestre;Ursula Schwarting

  • The Bohnenblust Hille cycle of ideas from a modern point of view

    Andreas Defant;Pablo Sevilla-Peris

  • The Bohnenblust--Hille inequality for homogeneous polynomials is hypercontractive

    Andreas Defant;Leonhard Frerick;Joaquim Ortega-Cerdà;Myriam Ounaïes

  • Domains of convergence for monomial expansions of holomorphic functions in infinitely many variables

    Andreas Defant;Manuel Maestre;Christopher Prengel

  • Multipliers of Dirichlet series and monomial series expansions of holomorphic functions in infinitely many variables

    Frédéric Bayart;Andreas Defant;Leonhard Frerick;Manuel Maestre

  • Estimates for the first and second Bohr radii of Reinhardt domains

    Andreas Defant;Domingo Garcia;Manuel Maestre

  • THE ARITHMETIC BOHR RADIUS

    Andreas Defant;Manuel Maestre;Christopher Prengel

  • Unconditionality in spaces of m-homogeneous polynomials

    Andreas Defant;Nigel Kalton

  • Bohr's phenomenon for functions on the Boolean cube

    Andreas Defant;Mieczysław Mastyło;Antonio Pérez

  • Hardy spaces of vector-valued Dirichlet series

    Andreas Defant;Antonio Pérez

  • Some polynomial versions of cotype and applications

    Daniel Carando;Daniel Carando;Andreas Defant;Pablo Sevilla-Peris

  • Convergence of Dirichlet polynomials in Banach spaces

    Andreas Defant;Pablo Sevilla-Peris

  • Almost sure-sign convergence of Hardy-type Dirichlet series

    Daniel Carando;Daniel Carando;Andreas Defant;Pablo Sevilla-Peris

  • Volume estimates in spaces of homogeneous polynomials

    Andreas Defant;Christopher Prengel

  • Cotype 2 estimates for spaces of polynomials on sequence spaces

    Andreas Defant;Manuel Maestre;Pablo Sevilla-Peris

  • The Bohr radius of the unit ball of

    Andreas Defant;Leonhard Frerick

Frequent Co-Authors

David Pérez-García
David Pérez-García Complutense University of Madrid
Marius Junge
Marius Junge University of Illinois at Urbana-Champaign
José Bonet
José Bonet Universitat Politècnica de València
Kristian Seip
Kristian Seip Norwegian University of Science and Technology
Alfredo Peris
Alfredo Peris Universitat Politècnica de València
Nigel J. Kalton
Nigel J. Kalton University of Missouri

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 students interested in expanding their expertise beyond Mathematics, there are several related online degree options that offer flexible learning and career growth. Many professionals consider pursuing an MBA, and exploring mba programs easy to get into can be a strategic starting point for gaining business acumen without intense admissions hurdles.

Additionally, those who prefer remote study often look for an easy online mba to balance their academic goals with work and life commitments. These programs are designed to provide foundational knowledge in management with the convenience of online access.

For advanced leadership roles, a Doctor of Business Administration (DBA) can be highly valuable. The best 1 year dba program online options combine affordability with an accelerated timeline, making them attractive for career-focused individuals seeking elevated expertise quickly.

Those interested in finance may want to explore cost-effective options by opting for a cheap masters in finance. This degree complements mathematical skills and opens doors to various roles in financial analysis, investment, and consulting.

Best Scientists Citing Andreas Defant

Trending Scientists

Recently Published Articles