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Bulgaria 200 Scientists H-Index Natural Sciences / Mathematical Sciences Rankings - 2026

This real-time ranking measures researchers’ academic productivity and impact at global, continental, national, and institutional levels using total and recent 5-year H-index data. Comparative analysis is available across 13 main fields and 221 academic disciplines.

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Total 200 scientist, 1 country, 33 institution , Updates every 3 days
* Total H Index Rankings

Rankings

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57,274
World Rank
Bulgaria
13
Country Rank
Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences Logo
1
University
Ranking Based On Selection:
1
Krassimir Atanassov
Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences Sofia, Bulgaria
Natural Sciences / Mathematical Sciences
Mathematical Modelling | Artificial Intelligence | Intuitionistic Fuzzy Sets | Generalized Nets | Number Theory Network Physiolog

H-Index Metrics

  • Total
    59
  • Last 5 Years
    36
  • Last 5 Years / Total
    0.610
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* Total H Index Rankings

Rankings

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75,603
World Rank
Bulgaria
19
Country Rank
Institute of Mechanics, Bulgarian Academy of Sciences Logo
1
University
Ranking Based On Selection:
2
Nikolay K Vitanov
Institute of Mechanics, Bulgarian Academy of Sciences Sofia, Bulgaria
Natural Sciences / Mathematical Sciences
nonlinear PDEs | nonlinear time series analysis | nonlinear fluid dynamics | social dynamics | mathematical economic

H-Index Metrics

  • Total
    53
  • Last 5 Years
    41
  • Last 5 Years / Total
    0.774
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* Total H Index Rankings

Rankings

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158,504
World Rank
Bulgaria
56
Country Rank
Plovdiv University Paisii Hilendarski Logo
1
University
Ranking Based On Selection:
3
Nikolay Kyurkchiev
Plovdiv University Paisii Hilendarski Plovdiv, Bulgaria
Natural Sciences / Mathematical Sciences
numerical method

H-Index Metrics

  • Total
    39
  • Last 5 Years
    28
  • Last 5 Years / Total
    0.718
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* Total H Index Rankings

Rankings

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182,256
World Rank
Bulgaria
65
Country Rank
Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences Logo
4
University
Ranking Based On Selection:
4
Vladimir Stefanov Gerdjikov
Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences Sofia, Bulgaria
Natural Sciences / Mathematical Sciences
soliton theory | integrable systems | soliton interaction

H-Index Metrics

  • Total
    37
  • Last 5 Years
    16
  • Last 5 Years / Total
    0.432
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* Total H Index Rankings

Rankings

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182,262
World Rank
Bulgaria
66
Country Rank
Institute of Mathematics and Informatics, Bulgarian Academy of Sciences Logo
2
University
Ranking Based On Selection:
5
Vladimir Gerdjikov, Vladimir Gerdzhikov
Institute of Mathematics and Informatics, Bulgarian Academy of Sciences Sofia, Bulgaria
Natural Sciences / Mathematical Sciences
mathematical physics | soliton theory | soliton interaction

H-Index Metrics

  • Total
    37
  • Last 5 Years
    16
  • Last 5 Years / Total
    0.432
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* Total H Index Rankings

Rankings

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215,678
World Rank
Bulgaria
83
Country Rank
Institute of Mathematics and Informatics, Bulgarian Academy of Sciences Logo
4
University
Ranking Based On Selection:
6
Svetoslav Markov
Institute of Mathematics and Informatics, Bulgarian Academy of Sciences Sofia, Bulgaria
Natural Sciences / Mathematical Sciences
biomathematics | interval analysis | enzyme kinetics | mathematical modellin

H-Index Metrics

  • Total
    34
  • Last 5 Years
    17
  • Last 5 Years / Total
    0.500
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* Total H Index Rankings

Rankings

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247,003
World Rank
Bulgaria
101
Country Rank
Plovdiv University Paisii Hilendarski Logo
2
University
Ranking Based On Selection:
7
Anton Iliev
Plovdiv University Paisii Hilendarski Plovdiv, Bulgaria
Natural Sciences / Mathematical Sciences
numerical methods | information system

H-Index Metrics

  • Total
    31
  • Last 5 Years
    26
  • Last 5 Years / Total
    0.839
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* Total H Index Rankings

Rankings

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317,321
World Rank
Bulgaria
152
Country Rank
Plovdiv University Paisii Hilendarski Logo
5
University
Ranking Based On Selection:
8
Snezhana Hristova
Plovdiv University Paisii Hilendarski Plovdiv, Bulgaria
Natural Sciences / Mathematical Sciences
Differential Equations | Delays | Impulses | Difference Equations | Fractional Differential Equation

H-Index Metrics

  • Total
    27
  • Last 5 Years
    21
  • Last 5 Years / Total
    0.778
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* Total H Index Rankings

Rankings

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348,257
World Rank
Bulgaria
182
Country Rank
Institute of Mathematics and Informatics, Bulgarian Academy of Sciences Logo
6
University
Ranking Based On Selection:
9
Vesselin Drensky
Institute of Mathematics and Informatics, Bulgarian Academy of Sciences Sofia, Bulgaria
Natural Sciences / Mathematical Sciences
Algebr

H-Index Metrics

  • Total
    26
  • Last 5 Years
    13
  • Last 5 Years / Total
    0.500
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* Total H Index Rankings

Rankings

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349,387
World Rank
Bulgaria
187
Country Rank
Institute of Mathematics and Informatics, Bulgarian Academy of Sciences Logo
7
University
Ranking Based On Selection:
10
Petar Kenderov
Institute of Mathematics and Informatics, Bulgarian Academy of Sciences Sofia, Bulgaria
Natural Sciences / Mathematical Sciences
Topology | Convex analysis | Optimization | Banach space

H-Index Metrics

  • Total
    26
  • Last 5 Years
    11
  • Last 5 Years / Total
    0.423
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* Total H Index Rankings

Rankings

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388,364
World Rank
Bulgaria
205
Country Rank
Plovdiv University Paisii Hilendarski Logo
9
University
Ranking Based On Selection:
11
Petko D. Proinov
Plovdiv University Paisii Hilendarski Plovdiv, Bulgaria
Natural Sciences / Mathematical Sciences
Iterative Methods | Fixed Point Theory | Uniform Distribution Theor

H-Index Metrics

  • Total
    24
  • Last 5 Years
    17
  • Last 5 Years / Total
    0.708
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* Total H Index Rankings

Rankings

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416,873
World Rank
Bulgaria
231
Country Rank
University of Ruse Angel Kanchev Logo
2
University
Ranking Based On Selection:
12
Stepan Tersian
University of Ruse Angel Kanchev Ruse, Bulgaria
Natural Sciences / Mathematical Sciences
Mathematics: Mathematical analysis | Differential equations | Optimizatio

H-Index Metrics

  • Total
    23
  • Last 5 Years
    15
  • Last 5 Years / Total
    0.652
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* Total H Index Rankings

Rankings

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445,815
World Rank
Bulgaria
257
Country Rank
Institute of Mathematics and Informatics, Bulgarian Academy of Sciences Logo
8
University
Ranking Based On Selection:
13
Iliya D. Iliev
Institute of Mathematics and Informatics, Bulgarian Academy of Sciences Sofia, Bulgaria
Natural Sciences / Mathematical Sciences
Differential equation

H-Index Metrics

  • Total
    22
  • Last 5 Years
    14
  • Last 5 Years / Total
    0.636
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* Total H Index Rankings

Rankings

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446,499
World Rank
Bulgaria
259
Country Rank
Sofia University St Kliment Ohridski Logo
49
University
Ranking Based On Selection:
14
Ivan Ganchev Ivanov
Sofia University St Kliment Ohridski Sofia, Bulgaria
Natural Sciences / Mathematical Sciences
modeling | machine learning algorithm

H-Index Metrics

  • Total
    22
  • Last 5 Years
    13
  • Last 5 Years / Total
    0.591
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* Total H Index Rankings

Rankings

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450,644
World Rank
Bulgaria
265
Country Rank
Institute of Mathematics and Informatics, Bulgarian Academy of Sciences Logo
9
University
Ranking Based On Selection:
15
Popova ED
Institute of Mathematics and Informatics, Bulgarian Academy of Sciences Sofia, Bulgaria
Natural Sciences / Mathematical Sciences
interval arithmetic | linear systems | enclosure methods | mathematical software | modelling with uncertain dat

H-Index Metrics

  • Total
    22
  • Last 5 Years
    9
  • Last 5 Years / Total
    0.409
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* Total H Index Rankings

Rankings

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475,168
World Rank
Bulgaria
277
Country Rank
Institute of Information and Communication Technologies Logo
3
University
Ranking Based On Selection:
16
Pencho G. Marinov
Institute of Information and Communication Technologies Sofia, Bulgaria
Natural Sciences / Mathematical Sciences
Approximation Theory | Parallel algorithms and Simulation on Computers | Image Processing and Compression | Plasma Physics | Optimi

H-Index Metrics

  • Total
    21
  • Last 5 Years
    13
  • Last 5 Years / Total
    0.619
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* Total H Index Rankings

Rankings

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478,511
World Rank
Bulgaria
284
Country Rank
Institute of Mathematics and Informatics, Bulgarian Academy of Sciences Logo
11
University
Ranking Based On Selection:
17
Tsviatko Rangelov
Institute of Mathematics and Informatics, Bulgarian Academy of Sciences Sofia, Bulgaria
Natural Sciences / Mathematical Sciences
differential and integral equation

H-Index Metrics

  • Total
    21
  • Last 5 Years
    11
  • Last 5 Years / Total
    0.524
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* Total H Index Rankings

Rankings

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480,211
World Rank
Bulgaria
288
Country Rank
Bulgarian Academy of Sciences Logo
16
University
Ranking Based On Selection:
18
Desislava Paneva-Marinova
Bulgarian Academy of Sciences Sofia, Bulgaria
Natural Sciences / Mathematical Sciences
Digital Libraries | eLearning | Personalization | User Modelin

H-Index Metrics

  • Total
    21
  • Last 5 Years
    9
  • Last 5 Years / Total
    0.429
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* Total H Index Rankings

Rankings

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505,894
World Rank
Bulgaria
316
Country Rank
Institute of Information and Communication Technologies Logo
4
University
Ranking Based On Selection:
19
Georgi Gluhchev
Institute of Information and Communication Technologies Sofia, Bulgaria
Natural Sciences / Mathematical Sciences
mathematics | water | healt

H-Index Metrics

  • Total
    20
  • Last 5 Years
    13
  • Last 5 Years / Total
    0.650
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* Total H Index Rankings

Rankings

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511,193
World Rank
Bulgaria
331
Country Rank
Institute of Mechanics, Bulgarian Academy of Sciences Logo
8
University
Ranking Based On Selection:
20
Ivaïlo M. Mladenov
Institute of Mechanics, Bulgarian Academy of Sciences Sofia, Bulgaria
Natural Sciences / Mathematical Sciences
Mathematics | Physics | Biolog

H-Index Metrics

  • Total
    20
  • Last 5 Years
    10
  • Last 5 Years / Total
    0.500
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* Total H Index Rankings

Rankings

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512,245
World Rank
Bulgaria
335
Country Rank
University of Architecture Civil Engineering and Geodesy Logo
1
University
Ranking Based On Selection:
21
Mihail Konstantinov
University of Architecture Civil Engineering and Geodesy Sofia, Bulgaria
Natural Sciences / Mathematical Sciences
Differential Equations | Control Theory | Matrix Theory | Scientific Computations | Voting Theor

H-Index Metrics

  • Total
    20
  • Last 5 Years
    9
  • Last 5 Years / Total
    0.450
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* Total H Index Rankings

Rankings

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545,723
World Rank
Bulgaria
361
Country Rank
Plovdiv University Paisii Hilendarski Logo
14
University
Ranking Based On Selection:
22
Mancho Manev
Plovdiv University Paisii Hilendarski Plovdiv, Bulgaria
Natural Sciences / Mathematical Sciences
Differential Geometry | Discrete Geometry | E-Learnin

H-Index Metrics

  • Total
    19
  • Last 5 Years
    10
  • Last 5 Years / Total
    0.526
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* Total H Index Rankings

Rankings

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546,807
World Rank
Bulgaria
365
Country Rank
Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences Logo
12
University
Ranking Based On Selection:
23
NI Stoilova
Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences Sofia, Bulgaria
Natural Sciences / Mathematical Sciences
Mathematics | Physics | Mathematical Physic

H-Index Metrics

  • Total
    19
  • Last 5 Years
    9
  • Last 5 Years / Total
    0.474
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* Total H Index Rankings

Rankings

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546,827
World Rank
Bulgaria
366
Country Rank
Sofia University St Kliment Ohridski Logo
66
University
Ranking Based On Selection:
24
E. Horozov
Sofia University St Kliment Ohridski Sofia, Bulgaria
Natural Sciences / Mathematical Sciences
Mathematics | Mathematical physic

H-Index Metrics

  • Total
    19
  • Last 5 Years
    9
  • Last 5 Years / Total
    0.474
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* Total H Index Rankings

Rankings

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547,413
World Rank
Bulgaria
369
Country Rank
Institute of Mechanics, Bulgarian Academy of Sciences Logo
9
University
Ranking Based On Selection:
25
Daniel Dantchev
Institute of Mechanics, Bulgarian Academy of Sciences Sofia, Bulgaria
Natural Sciences / Mathematical Sciences
statistical mechanics | Casimir effect | exactly solvable models | theory of probability | biomechanic

H-Index Metrics

  • Total
    19
  • Last 5 Years
    8
  • Last 5 Years / Total
    0.421
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