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Bulgaria 5.605 Scientists Subject Rankings
The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 211 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 5 years. As of Jan 05, 2026, the rankings are determined according to the Total H Index. BETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (1.131.911) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].
* Total H Index Rankings
Rankings
987
World Rank
1
Country Rank
1
University
Ranking Based On Selection:
1
* Total H Index Rankings
Rankings
2,868
World Rank
2
Country Rank
2
University
Ranking Based On Selection:
2
Natural Sciences / Physics
Particle Physics | High Performance Computing | Molecular Dynamics simulations | Antimicrobial Peptide
Particle Physics | High Performance Computing | Molecular Dynamics simulations | Antimicrobial Peptide
H-Index Metrics
-
H-Index140
-
i10 Index645
-
Citation Counts93,975
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* Total H Index Rankings
Rankings
11,632
World Rank
3
Country Rank
1
University
Ranking Based On Selection:
3
* Total H Index Rankings
Rankings
15,761
World Rank
4
Country Rank
2
University
Ranking Based On Selection:
4
Natural Sciences / Physics
Nuclear Physics | Astrophysics | Artificial Intelligence | Electrodynamic
Nuclear Physics | Astrophysics | Artificial Intelligence | Electrodynamic
H-Index Metrics
-
H-Index90
-
i10 Index201
-
Citation Counts28,862
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* Total H Index Rankings
Rankings
21,633
World Rank
5
Country Rank
3
University
Ranking Based On Selection:
5
* Total H Index Rankings
Rankings
21,962
World Rank
6
Country Rank
1
University
Ranking Based On Selection:
6
* Total H Index Rankings
Rankings
29,540
World Rank
7
Country Rank
3
University
Ranking Based On Selection:
7
Natural Sciences / Chemical Sciences
Physicochemical Hydrodynamics of Liquid Films | Thermodynamics of Thin Liquid Films | Emulsions and Emulsification | Foams and Foa
Physicochemical Hydrodynamics of Liquid Films | Thermodynamics of Thin Liquid Films | Emulsions and Emulsification | Foams and Foa
H-Index Metrics
-
H-Index75
-
i10 Index317
-
Citation Counts24,269
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* Total H Index Rankings
Rankings
30,537
World Rank
8
Country Rank
4
University
Ranking Based On Selection:
8
* Total H Index Rankings
Rankings
40,274
World Rank
9
Country Rank
5
University
Ranking Based On Selection:
9
Natural Sciences / Chemical Sciences
Colloid and Interface Science | Interfacial Phenomena | Thin Liquid Films | Molecular Self-assembly | Soft Matte
Colloid and Interface Science | Interfacial Phenomena | Thin Liquid Films | Molecular Self-assembly | Soft Matte
H-Index Metrics
-
H-Index68
-
i10 Index190
-
Citation Counts19,355
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* Total H Index Rankings
Rankings
42,025
World Rank
10
Country Rank
1
University
Ranking Based On Selection:
10
* Total H Index Rankings
Rankings
53,835
World Rank
11
Country Rank
1
University
Ranking Based On Selection:
11
Social Sciences / Tourism & Hospitality
robonomics | automation | revenue management | tourism | Star War
robonomics | automation | revenue management | tourism | Star War
H-Index Metrics
-
H-Index61
-
i10 Index134
-
Citation Counts15,066
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* Total H Index Rankings
Rankings
54,055
World Rank
12
Country Rank
1
University
Ranking Based On Selection:
12
Medical and Health Sciences / Immunology
allergology | asthma | COPD | clinical immunology | urticari
allergology | asthma | COPD | clinical immunology | urticari
H-Index Metrics
-
H-Index61
-
i10 Index137
-
Citation Counts26,796
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* Total H Index Rankings
Rankings
57,878
World Rank
13
Country Rank
1
University
Ranking Based On Selection:
13
Natural Sciences / Mathematical Sciences
Mathematical Modelling | Artificial Intelligence | Intuitionistic Fuzzy Sets | Generalized Nets | Number Theory Network Physiolog
Mathematical Modelling | Artificial Intelligence | Intuitionistic Fuzzy Sets | Generalized Nets | Number Theory Network Physiolog
H-Index Metrics
-
H-Index60
-
i10 Index280
-
Citation Counts49,452
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* Total H Index Rankings
Rankings
60,719
World Rank
14
Country Rank
6
University
Ranking Based On Selection:
14
* Total H Index Rankings
Rankings
61,314
World Rank
15
Country Rank
7
University
Ranking Based On Selection:
15
Natural Sciences / Chemical Sciences
thin liquid films | physicochemical thermodynamics and hydrodynamic
thin liquid films | physicochemical thermodynamics and hydrodynamic
H-Index Metrics
-
H-Index59
-
i10 Index152
-
Citation Counts9,876
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* Total H Index Rankings
Rankings
70,253
World Rank
16
Country Rank
8
University
Ranking Based On Selection:
16
Natural Sciences / Physics
quantum information | quantum computation | quantum technologies | quantum control | coherent contro
quantum information | quantum computation | quantum technologies | quantum control | coherent contro
H-Index Metrics
-
H-Index56
-
i10 Index199
-
Citation Counts13,492
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* Total H Index Rankings
Rankings
71,955
World Rank
17
Country Rank
1
University
Ranking Based On Selection:
17
Medical and Health Sciences / Pharmacology
Molecular Biotechnology | Metabolomics | Natural Products | Molecular Pharmacolog
Molecular Biotechnology | Metabolomics | Natural Products | Molecular Pharmacolog
H-Index Metrics
-
H-Index55
-
i10 Index146
-
Citation Counts15,851
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* Total H Index Rankings
Rankings
76,152
World Rank
18
Country Rank
1
University
Ranking Based On Selection:
18
Natural Sciences / Mathematical Sciences
nonlinear PDEs | nonlinear time series analysis | nonlinear fluid dynamics | social dynamics | mathematical economic
nonlinear PDEs | nonlinear time series analysis | nonlinear fluid dynamics | social dynamics | mathematical economic
H-Index Metrics
-
H-Index54
-
i10 Index109
-
Citation Counts6,885
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* Total H Index Rankings
Rankings
77,919
World Rank
19
Country Rank
1
University
Ranking Based On Selection:
19
Engineering & Technology / Metallurgical & Materials Engineering
Polymers for Biomedical Applications | Electrospinning | Hybrid Materials | Fullerenes | Antimicrobia
Polymers for Biomedical Applications | Electrospinning | Hybrid Materials | Fullerenes | Antimicrobia
H-Index Metrics
-
H-Index54
-
i10 Index170
-
Citation Counts10,068
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* Total H Index Rankings
Rankings
78,632
World Rank
20
Country Rank
1
University
Ranking Based On Selection:
20
* Total H Index Rankings
Rankings
79,760
World Rank
21
Country Rank
9
University
Ranking Based On Selection:
21
Natural Sciences / Chemical Sciences
formation | stability and rheology of foams and emulsions | surfactants | digestion | porous material
formation | stability and rheology of foams and emulsions | surfactants | digestion | porous material
H-Index Metrics
-
H-Index53
-
i10 Index110
-
Citation Counts9,249
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* Total H Index Rankings
Rankings
81,852
World Rank
22
Country Rank
2
University
Ranking Based On Selection:
22
Engineering & Technology / Metallurgical & Materials Engineering
Bioactive Polymers | Biobased Polymers | Electrospinning | Hybrid Materials | chitosa
Bioactive Polymers | Biobased Polymers | Electrospinning | Hybrid Materials | chitosa
H-Index Metrics
-
H-Index53
-
i10 Index148
-
Citation Counts9,720
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* Total H Index Rankings
Rankings
85,584
World Rank
23
Country Rank
10
University
Ranking Based On Selection:
23
* Total H Index Rankings
Rankings
87,369
World Rank
24
Country Rank
1
University
Ranking Based On Selection:
24
Medical and Health Sciences / General Surgery
General Surgery | Emergency Gen. Surgery | Surgical Oncolog
General Surgery | Emergency Gen. Surgery | Surgical Oncolog
H-Index Metrics
-
H-Index51
-
i10 Index78
-
Citation Counts14,404
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* Total H Index Rankings
Rankings
87,827
World Rank
25
Country Rank
11
University
Ranking Based On Selection:
25
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