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
932,682
Country Rank
3,037
Institution Rank : 4
![](https://cdn.adscientificindex.com/logos/17268.jpg)
![Romania](/flags/ro.png)
![Ruxandra Toma](https://cdn.adscientificindex.com/pictures/d4/4606906.jpg)
astrophysics and astronomy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
6
0.600
* Total i10 Index Rankings
World Rank
939,840
Country Rank
3,136
Institution Rank : 5
![](https://cdn.adscientificindex.com/logos/17268.jpg)
![Romania](/flags/ro.png)
![Alexandru Viorel Pop](/user/assets/images/profile/no-profile-photo.png)
astronomy
astrophysics
variable stars
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
2
0.200
* Total i10 Index Rankings
World Rank
1,144,159
Country Rank
4,463
Institution Rank : 7
![](https://cdn.adscientificindex.com/logos/17268.jpg)
![Romania](/flags/ro.png)
![Cristiana Dumitrache](/pictures/d4/4606684.jpg)
astronomy
astrophysics
solar physics
heliosphere
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
2
0.333
* Total i10 Index Rankings
World Rank
1,545,603
Country Rank
7,083
Institution Rank : 9
![](https://cdn.adscientificindex.com/logos/17268.jpg)
![Romania](/flags/ro.png)
![Octavian Blagoi](/pictures/33/4712089.jpg)
radioastronomy
solar physics
astronomy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 Index Rankings
World Rank
1,924,303
Country Rank
10,280
Institution Rank : 11
![](https://cdn.adscientificindex.com/logos/17268.jpg)
![Romania](/flags/ro.png)
![Adrian Sabin Popescu](/pictures/e8/4711553.jpg)
Cosmology
Geometry and Topology
Theoretical physics
Polarimetry
Cosmic Rays
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
932,682
![Romania](/flags/ro.png)
3,037
![](https://cdn.adscientificindex.com/logos/17268.jpg)
4
Ruxandra Toma
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
6
0.600
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
939,840
![Romania](/flags/ro.png)
3,136
![](https://cdn.adscientificindex.com/logos/17268.jpg)
5
Alexandru Viorel Pop
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
2
0.200
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
1,144,159
![Romania](/flags/ro.png)
4,463
![](https://cdn.adscientificindex.com/logos/17268.jpg)
7
Cristiana Dumitrache
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
2
0.333
![](https://cdn.adscientificindex.com/logos/17268.jpg)
astronomy
astrophysics
solar physics
heliosphere
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
1,545,603
![Romania](/flags/ro.png)
7,083
![](https://cdn.adscientificindex.com/logos/17268.jpg)
9
Octavian Blagoi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
1,924,303
![Romania](/flags/ro.png)
10,280
![](https://cdn.adscientificindex.com/logos/17268.jpg)
11
Adrian Sabin Popescu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
![](https://cdn.adscientificindex.com/logos/17268.jpg)
Cosmology
Geometry and Topology
Theoretical physics
Polarimetry
Cosmic Rays