Productivity Rankings is a unique service offered only by “AD Scientific Index”. This is a ranking system derived from the i10 index in order to show the productivity of the scientist in publishing scientific articles of value. Productivity Rankings is an instrument that lists productive scientists in a given area, discipline, university, and country and can guide the development of meaningful incentives and academic policies. The world rankings, regional rankings, and university rankings of scientists in this table are developed based on the total i10 index. Click for "last 6 years' i10 index". Also see: Universities Rankings 2024 (Sort by : Total i10 Index) and Universities Rankings 2024 (Sort by : Last 6 Years i10 Index)
* Total i10 Index Rankings
World Rank
475,033
Country Rank
367
Institution Rank : 2
![](https://cdn.adscientificindex.com/logos/28324.png)
![Bulgaria](/flags/bg.png)
![Stoyanka Peneva](/user/assets/images/profile/no-profile-photo.png)
pre-main sequence stars
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
19
0.655
* Total i10 Index Rankings
World Rank
739,452
Country Rank
748
Institution Rank : 6
![](https://cdn.adscientificindex.com/logos/28324.png)
![Bulgaria](/flags/bg.png)
![Vesselin Sinigersky](/user/assets/images/profile/no-profile-photo.png)
PEM FUEL CELL
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
6
0.375
* Total i10 Index Rankings
World Rank
827,824
Country Rank
880
Institution Rank : 9
![](https://cdn.adscientificindex.com/logos/28324.png)
![Bulgaria](/flags/bg.png)
![Tzvetan Ostromsky](/pictures/87/5522884.jpg)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
6
0.462
* Total i10 Index Rankings
World Rank
830,024
Country Rank
884
Institution Rank : 10
![](https://cdn.adscientificindex.com/logos/28324.png)
![Bulgaria](/flags/bg.png)
![Alexander Iliev|Alexander Iliev iliev](/pictures/13/4482198.jpg)
Artificial Intelligence
Smart Systems
Emotion Recognition
Digital Signal Processing
Audio
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
4
0.308
* Total i10 Index Rankings
World Rank
830,936
Country Rank
887
Institution Rank : 11
![](https://cdn.adscientificindex.com/logos/28324.png)
![Bulgaria](/flags/bg.png)
![Ju İvanova](/pictures/f8/5539249.jpg)
algologia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
3
0.231
* Total i10 Index Rankings
World Rank
850,964
Country Rank
903
Institution Rank : 13
![](https://cdn.adscientificindex.com/logos/28324.png)
![Bulgaria](/flags/bg.png)
![Filip Ublekov](https://cdn.adscientificindex.com/pictures/0e/5666728.jpg)
Biopolymers
Nanocomposites
Fuel cells
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
9
0.750
* Total i10 Index Rankings
World Rank
865,028
Country Rank
942
Institution Rank : 15
![](https://cdn.adscientificindex.com/logos/28324.png)
![Bulgaria](/flags/bg.png)
![Daniella Ivanova](/user/assets/images/profile/no-profile-photo.png)
Botany
Taxonomy and Evolution of Higher Plants
Biosystematics
Chorology
Cytotaxonomy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
2
0.167
* Total i10 Index Rankings
World Rank
880,986
Country Rank
954
Institution Rank : 19
![](https://cdn.adscientificindex.com/logos/28324.png)
![Bulgaria](/flags/bg.png)
![Venelin Todorov](/pictures/21/5453076.jpg)
monte carlo methods
numerical and applied analysis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
10
0.909
* Total i10 Index Rankings
World Rank
901,747
Country Rank
1,009
Institution Rank : 22
![](https://cdn.adscientificindex.com/logos/28324.png)
![Bulgaria](/flags/bg.png)
![Petko Kiriazov](/pictures/07/4484337.jpg)
Dynamics and Optimization of Controlled Mechanical Systems: Robotic Manipulators
Mobile Robots
and Mechanical Structures with Active Vibration Control
Control and Rehabilitation of Human Motion
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
0
0.000
* Total i10 Index Rankings
World Rank
928,700
Country Rank
1,033
Institution Rank : 23
![](https://cdn.adscientificindex.com/logos/28324.png)
![Bulgaria](/flags/bg.png)
![Boyan Obreshkov](/user/assets/images/profile/no-profile-photo.png)
Atomic Molecular and Optical physics
Materials Science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
7
0.700
* Total i10 Index Rankings
World Rank
938,351
Country Rank
1,055
Institution Rank : 24
![](https://cdn.adscientificindex.com/logos/28324.png)
![Bulgaria](/flags/bg.png)
![Valeria Gancheva](/user/assets/images/profile/no-profile-photo.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
3
0.300
* Total i10 Index Rankings
World Rank
980,408
Country Rank
1,135
Institution Rank : 29
![](https://cdn.adscientificindex.com/logos/28324.png)
![Bulgaria](/flags/bg.png)
![Ivan Tchalakov](/pictures/21/5335774.jpg)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
3
0.333
* Total i10 Index Rankings
World Rank
983,191
Country Rank
1,150
Institution Rank : 34
![](https://cdn.adscientificindex.com/logos/28324.png)
![Bulgaria](/flags/bg.png)
![Christo Novakov](/user/assets/images/profile/no-profile-photo.png)
polymers
HPLC
SEC
MALLS
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
1
0.111
* Total i10 Index Rankings
World Rank
983,555
Country Rank
1,152
Institution Rank : 36
![](https://cdn.adscientificindex.com/logos/28324.png)
![Bulgaria](/flags/bg.png)
![Kiril Alexiev](/pictures/a5/5602437.jpg)
sensor signal and data processing
tracking
image processing
3D scene restoration
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
0
0.000
* Total i10 Index Rankings
World Rank
1,001,946
Country Rank
1,170
Institution Rank : 37
![](https://cdn.adscientificindex.com/logos/28324.png)
![Bulgaria](/flags/bg.png)
![Danila Cherkashin|Данила Черкашин](/pictures/9e/5359345.jpg)
hypergraph coloring
metric chromatic number
Euclidean Steiner problem
maximal distance minimizers
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
7
0.875
* Total i10 Index Rankings
World Rank
1,003,224
Country Rank
1,175
Institution Rank : 38
![](https://cdn.adscientificindex.com/logos/28324.png)
![Bulgaria](/flags/bg.png)
![Denis Chikurtev](/pictures/65/5365121.jpg)
robotics
computer vision
Information technologies
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
7
0.875
* Total i10 Index Rankings
World Rank
1,018,076
Country Rank
1,200
Institution Rank : 41
![](https://cdn.adscientificindex.com/logos/28324.png)
![Bulgaria](/flags/bg.png)
![Георги Желев George Jelev](https://cdn.adscientificindex.com/pictures/01/5706769.jpg)
ГИС
дистанционни изследвания
геоморфология
геоложки риск
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
5
0.625
* Total i10 Index Rankings
World Rank
1,025,474
Country Rank
1,217
Institution Rank : 43
![](https://cdn.adscientificindex.com/logos/28324.png)
![Bulgaria](/flags/bg.png)
![Iliyan Zankinski](/user/assets/images/profile/no-profile-photo.png)
Programming
Artificial Intelligence
Pricing Theory
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
4
0.500
* Total i10 Index Rankings
World Rank
1,048,082
Country Rank
1,266
Institution Rank : 52
![](https://cdn.adscientificindex.com/logos/28324.png)
![Bulgaria](/flags/bg.png)
![Heliana Dundarova](/pictures/82/5574444.jpg)
Phylogeny
phylogeography
Chiroptera
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
7
1.000
* Total i10 Index Rankings
World Rank
1,073,610
Country Rank
1,311
Institution Rank : 56
![](https://cdn.adscientificindex.com/logos/28324.png)
![Bulgaria](/flags/bg.png)
![Dimitar Danov](/pictures/22/5356538.jpg)
space research
web
programming
environment
Space Weather
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
4
0.571
* Total i10 Index Rankings
World Rank
1,075,109
Country Rank
1,317
Institution Rank : 57
![](https://cdn.adscientificindex.com/logos/28324.png)
![Bulgaria](/flags/bg.png)
![Plamen Pankov](/user/assets/images/profile/no-profile-photo.png)
Morphology
taxonomy and evolution of fish parasites
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
4
0.571
* Total i10 Index Rankings
World Rank
1,079,496
Country Rank
1,336
Institution Rank : 60
![](https://cdn.adscientificindex.com/logos/28324.png)
![Bulgaria](/flags/bg.png)
![Petar Iliev](/user/assets/images/profile/no-profile-photo.png)
logic
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
3
0.429
* Total i10 Index Rankings
World Rank
1,082,479
Country Rank
1,344
Institution Rank : 62
![](https://cdn.adscientificindex.com/logos/28324.png)
![Bulgaria](/flags/bg.png)
![Assen Shulev](/user/assets/images/profile/no-profile-photo.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
2
0.286
* Total i10 Index Rankings
World Rank
1,082,573
Country Rank
1,347
Institution Rank : 63
![](https://cdn.adscientificindex.com/logos/28324.png)
![Bulgaria](/flags/bg.png)
![Tzvetana Nonova](/user/assets/images/profile/no-profile-photo.png)
Radiochemistry
Radioecology
Marine ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
2
0.286
* Total i10 Index Rankings
World Rank
1,083,497
Country Rank
1,354
Institution Rank : 64
![](https://cdn.adscientificindex.com/logos/28324.png)
![Bulgaria](/flags/bg.png)
![Ivaylo L Dimitrov](/pictures/86/5389046.jpg)
Protein Crystallization
Nucleation
Crystal Growth
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
2
0.286
* Total i10 Index Rankings
World Ranking
475,033
Country Ranking
367
Institution Ranking
2
Stoyanka Peneva
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
19
0.655
* Total i10 Index Rankings
World Ranking
739,452
Country Ranking
748
Institution Ranking
6
Vesselin Sinigersky
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
6
0.375
* Total i10 Index Rankings
World Ranking
827,824
Country Ranking
880
Institution Ranking
9
Tzvetan Ostromsky
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
6
0.462
* Total i10 Index Rankings
World Ranking
830,024
Country Ranking
884
Institution Ranking
10
Alexander Iliev|Alexander Iliev iliev
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
4
0.308
![](https://cdn.adscientificindex.com/logos/28324.png)
Artificial Intelligence
Smart Systems
Emotion Recognition
Digital Signal Processing
Audio
* Total i10 Index Rankings
World Ranking
830,936
Country Ranking
887
Institution Ranking
11
Ju İvanova
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
3
0.231
* Total i10 Index Rankings
World Ranking
850,964
Country Ranking
903
Institution Ranking
13
Filip Ublekov
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
9
0.750
* Total i10 Index Rankings
World Ranking
865,028
Country Ranking
942
Institution Ranking
15
Daniella Ivanova
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
2
0.167
![](https://cdn.adscientificindex.com/logos/28324.png)
Botany
Taxonomy and Evolution of Higher Plants
Biosystematics
Chorology
Cytotaxonomy
* Total i10 Index Rankings
World Ranking
880,986
Country Ranking
954
Institution Ranking
19
Venelin Todorov
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
10
0.909
* Total i10 Index Rankings
World Ranking
901,747
Country Ranking
1,009
Institution Ranking
22
Petko Kiriazov
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
0
0.000
![](https://cdn.adscientificindex.com/logos/28324.png)
Dynamics and Optimization of Controlled Mechanical Systems: Robotic Manipulators
Mobile Robots
and Mechanical Structures with Active Vibration Control
Control and Rehabilitation of Human Motion
* Total i10 Index Rankings
World Ranking
928,700
Country Ranking
1,033
Institution Ranking
23
Boyan Obreshkov
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
7
0.700
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* Total i10 Index Rankings
World Ranking
938,351
Country Ranking
1,055
Institution Ranking
24
Valeria Gancheva
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
3
0.300
* Total i10 Index Rankings
World Ranking
980,408
Country Ranking
1,135
Institution Ranking
29
Ivan Tchalakov
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
3
0.333
* Total i10 Index Rankings
World Ranking
983,191
Country Ranking
1,150
Institution Ranking
34
Christo Novakov
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
1
0.111
* Total i10 Index Rankings
World Ranking
983,555
Country Ranking
1,152
Institution Ranking
36
Kiril Alexiev
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
0
0.000
![](https://cdn.adscientificindex.com/logos/28324.png)
sensor signal and data processing
tracking
image processing
3D scene restoration
* Total i10 Index Rankings
World Ranking
1,001,946
Country Ranking
1,170
Institution Ranking
37
Danila Cherkashin|Данила Черкашин
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
7
0.875
![](https://cdn.adscientificindex.com/logos/28324.png)
hypergraph coloring
metric chromatic number
Euclidean Steiner problem
maximal distance minimizers
* Total i10 Index Rankings
World Ranking
1,003,224
Country Ranking
1,175
Institution Ranking
38
Denis Chikurtev
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
7
0.875
* Total i10 Index Rankings
World Ranking
1,018,076
Country Ranking
1,200
Institution Ranking
41
Георги Желев George Jelev
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
5
0.625
* Total i10 Index Rankings
World Ranking
1,025,474
Country Ranking
1,217
Institution Ranking
43
Iliyan Zankinski
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
4
0.500
* Total i10 Index Rankings
World Ranking
1,048,082
Country Ranking
1,266
Institution Ranking
52
Heliana Dundarova
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
7
1.000
* Total i10 Index Rankings
World Ranking
1,073,610
Country Ranking
1,311
Institution Ranking
56
Dimitar Danov
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
4
0.571
* Total i10 Index Rankings
World Ranking
1,075,109
Country Ranking
1,317
Institution Ranking
57
Plamen Pankov
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
4
0.571
* Total i10 Index Rankings
World Ranking
1,079,496
Country Ranking
1,336
Institution Ranking
60
Petar Iliev
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
3
0.429
* Total i10 Index Rankings
World Ranking
1,082,479
Country Ranking
1,344
Institution Ranking
62
Assen Shulev
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
2
0.286
* Total i10 Index Rankings
World Ranking
1,082,573
Country Ranking
1,347
Institution Ranking
63
Tzvetana Nonova
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
2
0.286
* Total i10 Index Rankings
World Ranking
1,083,497
Country Ranking
1,354
Institution Ranking
64
Ivaylo L Dimitrov
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
2
0.286