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
898,925
Country Rank
995
Institution Rank : 21
![](https://cdn.adscientificindex.com/logos/28324.png)
![Bulgaria](/flags/bg.png)
![Strachimir Cht Mavrodiev](/pictures/f9/4484781.jpg)
high energy particle physics
nuclear physics
astrophysics
geophysics
environment
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
4
0.364
* Total i10 Index Rankings
World Rank
1,028,617
Country Rank
1,236
Institution Rank : 45
![](https://cdn.adscientificindex.com/logos/28324.png)
![Bulgaria](/flags/bg.png)
![Garo Mardirossian](/pictures/f5/4501167.jpg)
Aerospace
Geophysics
Remote Sensing
Natural Hazards
Space and Geophysics Instrument Design
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
2
0.250
* Total i10 Index Rankings
World Rank
1,287,396
Country Rank
1,736
Institution Rank : 104
![](https://cdn.adscientificindex.com/logos/28324.png)
![Bulgaria](/flags/bg.png)
![Yavor Chapanov](/user/assets/images/profile/no-profile-photo.png)
geosciences
astronomy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
3
0.750
* Total i10 Index Rankings
World Rank
1,897,162
Country Rank
3,189
Institution Rank : 199
![](https://cdn.adscientificindex.com/logos/28324.png)
![Bulgaria](/flags/bg.png)
![Emil Iliev Oynakov](/pictures/3f/5263187.jpg)
seismology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 Index Rankings
World Ranking
898,925
Country Ranking
995
Institution Ranking
21
Strachimir Cht Mavrodiev
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
4
0.364
![](https://cdn.adscientificindex.com/logos/28324.png)
high energy particle physics
nuclear physics
astrophysics
geophysics
environment
* Total i10 Index Rankings
World Ranking
1,028,617
Country Ranking
1,236
Institution Ranking
45
Garo Mardirossian
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
2
0.250
![](https://cdn.adscientificindex.com/logos/28324.png)
Aerospace
Geophysics
Remote Sensing
Natural Hazards
Space and Geophysics Instrument Design
* Total i10 Index Rankings
World Ranking
1,287,396
Country Ranking
1,736
Institution Ranking
104
Yavor Chapanov
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
3
0.750
* Total i10 Index Rankings
World Ranking
1,897,162
Country Ranking
3,189
Institution Ranking
199
Emil Iliev Oynakov
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0