World's Best Scientists 2026 revealed!
Krassimir T. Atanassov

Krassimir T. Atanassov

D-Index & Metrics

Computer Science

D-Index
40
Citations
40020
World Ranking
9006
National Ranking
2

Krassimir T. Atanassov 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 Krassimir T. Atanassov 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: 250 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: 560 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: 424 scientists 242–251 publications: 408 scientists 252–261 publications: 378 scientists 262–271 publications: 300 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: 412 publications — 88th percentile

88% of scientists in this discipline score the same or lower.

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

Krassimir T. Atanassov 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 Krassimir T. Atanassov sits on this spectrum.

30–31 D-Index: 879 scientists 32–33 D-Index: 984 scientists 34–35 D-Index: 918 scientists 36–37 D-Index: 990 scientists 38–39 D-Index: 969 scientists 40–41 D-Index: 907 scientists 42–43 D-Index: 821 scientists 44–45 D-Index: 765 scientists 46–47 D-Index: 689 scientists 48–49 D-Index: 543 scientists 50–51 D-Index: 543 scientists 52–53 D-Index: 517 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: 40 D-Index — 37th percentile

37% of scientists in this discipline score the same or lower.

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

Overview

Krassimir T. Atanassov is affiliated with the Bulgarian Academy of Sciences in Bulgaria. Their research spans multiple fields of study, mainly focusing on Computer Science and Engineering. Within these fields, Atanassov has made significant contributions to subfields such as Artificial Intelligence, Management Science and Operations Research, Analytical Chemistry, Management Information Systems, and Biomedical Engineering.

Their work covers several main topics, including:

  • Intuitionistic Fuzzy Systems Applications
  • Multi-Criteria Decision Making
  • Petroleum Processing and Analysis
  • Information Systems and Technology Applications
  • Fuzzy Logic and Control Systems
  • Hydrocarbon Exploration and Reservoir Analysis
  • Phase Equilibria and Thermodynamics

The scientist has published research papers in various venues, with notable frequent publication outlets being:

  • Notes on Intuitionistic Fuzzy Sets
  • Notes on Number Theory and Discrete Mathematics
  • Mathematics
  • Processes
  • Resources

Selected recent papers by Krassimir T. Atanassov include:

  • "Circular intuitionistic fuzzy sets," 2020, Journal of Intelligent & Fuzzy Systems
  • "Four Distances for Circular Intuitionistic Fuzzy Sets," 2021, Mathematics
  • "Challenges in Petroleum Characterization-A Review," 2022, Energies
  • "Commercial Investigation of the Ebullated-Bed Vacuum Residue Hydrocracking in the Conversion Range of 55-93%," 2020, ACS Omega
  • "New Topological Operator over Intuitionistic Fuzzy Sets," 2022, Journal of Computational and Cognitive Engineering

Collaboration has been a significant part of their research, with frequent co-authors including:

  • Dicho Stratiev
  • Evdokia Sotirova
  • Sotir Sotirov
  • Vassia Atanassova
  • Ivelina Shishkova

Atanassov has also contributed to scholarly books published by Springer International Publishing and Springer Nature. These books cover topics related to bioinformatics, biomedicine, decision making, and computational science. Some titles include:

  • Contemporary Methods in Bioinformatics and Biomedicine and Their Applications (2022)
  • Uncertainty and Imprecision in Decision Making and Decision Support - New Advances, Challenges, and Perspectives (2023)
  • Advances in Intelligent Systems Research and Innovation (2021)
  • Recent Contributions to Bioinformatics and Biomedical Sciences and Engineering (2023)
  • Research in Computer Science in the Bulgarian Academy of Sciences (2021)
  • Uncertainty and Imprecision in Decision Making and Decision Support: New Challenges, Solutions and Perspectives (2020)

Best Publications

  • Intuitionistic fuzzy sets

    Krassimir T. Atanassov

  • Interval-Valued Intuitionistic Fuzzy Sets

    K. Atanassov;G. Gargov

  • More on intuitionistic fuzzy sets

    K. T. Atanassov

  • Intuitionistic Fuzzy Sets: Theory and Applications

    Krassimir T. Atanassov

  • New operations defined over the intuitionistic fuzzy sets

    Krassimir T. Atanassov

  • Operators over interval valued intuitionistic fuzzy sets

    Krassimir T. Atanassov

  • On Intuitionistic Fuzzy Sets Theory

    Krassimir T. Atanassov

  • Type-1 Fuzzy Sets and Intuitionistic Fuzzy Sets

    Krassimir T. Atanassov

  • Generalized Nets

    Krassimir T. Atanassov

  • Intuitionistic fuzzy interpretations of multi-criteria multi-person and multi-measurement tool decision making

    Krassimir T. Atanassov;Gabriella Pasi;Ronald R. Yager

  • Index Matrices: Towards an Augmented Matrix Calculus

    Krassimir T. Atanassov

  • Two theorems for intuitionistic fuzzy sets

    Krassimir T. Atanassov

  • Elements of intuitionistic fuzzy logic. Part I

    Krassimir Atanassov;George Gargov

  • Operations on intuitionistic fuzzy graphs

    R. Parvathi;M.G. Karunambigai;Krassimir T Atanassov

  • Circular intuitionistic fuzzy sets

    Krassimir T. Atanassov

  • Intuitionistic fuzzy Prolog

    Krassimir Atanassov;Christo Georgiev

  • Remarks on the intuitionistic fuzzy sets

    Krassimir T. Atanassov

  • Discussion: Answer to D. Dubois, S. Gottwald, P. Hajek, J. Kacprzyk and H. Prade's paper “Terminological difficulties in fuzzy set theory---the case of “Intuitionistic Fuzzy Sets” ”

    Krassimir Atanassov

  • Intuitionistic Fuzzy Logics

    Krassimir T. Atanassov

  • Intuitionistic fuzzy interpretations of multi-person multi-criteria decision making

    K. Atanassov;G. Pasi;R. Yager

  • New Visual Perspectives on Fibonacci Numbers

    K T Atanassov;V Atanassova;A G Shannon;J C Turner

Frequent Co-Authors

Eulalia Szmidt
Eulalia Szmidt Systems Research Institute
Janusz Kacprzyk
Janusz Kacprzyk Systems Research Institute
Ronald R. Yager
Ronald R. Yager Iona University
Gabriella Pasi
Gabriella Pasi University of Milano-Bicocca
Etienne Kerre
Etienne Kerre Ghent University
Sławomir Zadrożny
Sławomir Zadrożny Systems Research Institute
Oscar Castillo
Oscar Castillo Instituto Tecnológico de Tijuana
Patricia Melin
Patricia Melin Instituto Tecnológico de Tijuana
Chris Cornelis
Chris Cornelis Ghent University
Vladik Kreinovich
Vladik Kreinovich The University of Texas at El Paso

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