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 06, 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].
Rankings
Photonics | Fiber laser | Nanomaterials | Ultrafast fiber lase
H-Index Metrics
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H-Index21
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i10 Index31
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Citation Counts952
Rankings
Well Logging | Formation Evaluation | Reservoir Characterizatio
H-Index Metrics
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H-Index19
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i10 Index35
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Citation Counts1,373
Rankings
Fractured Reservoirs | Reservoir Simulation | Machine learning | Geothermal Reservoirs | Wellbor
H-Index Metrics
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H-Index16
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i10 Index23
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Citation Counts546
Rankings
Structural Geology | Petroleum Geology | Remote Sensing | Spatial Plannin
H-Index Metrics
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H-Index14
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i10 Index15
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Citation Counts1,467
Rankings
Nanoscience | Surface Science | Material Science | Anti-wetting and Anti-icing Surface
H-Index Metrics
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H-Index13
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i10 Index13
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Citation Counts684
Rankings
Rankings
Sustainable Business | International Business | Organizational Change Managemen
H-Index Metrics
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H-Index8
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i10 Index8
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Citation Counts511
Rankings
control theory | soft computing | robotics | image processing. | adaptive contro
H-Index Metrics
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H-Index8
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i10 Index5
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Citation Counts155
Rankings
Wireless Communications | Game Theory | Radio Resource Allocation | OFDMA | OW
H-Index Metrics
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H-Index7
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i10 Index5
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Citation Counts125
Rankings
Sustainable development | environmental sustainability | climate chang
H-Index Metrics
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H-Index6
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i10 Index6
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Citation Counts156
Rankings
Drilling Engineering and Drilling Technology | Hydraulic telemetry systems for data transmission i
H-Index Metrics
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H-Index5
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i10 Index3
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Citation Counts107
Rankings
Interantional Relations | Comparative Politics | Terrorism and Counterterrorism | Insurgency and Counterinsurgency | Middle East Po
H-Index Metrics
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H-Index5
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i10 Index3
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Citation Counts146
Rankings
Rankings
Rankings
Interior Design | Industrial Design | Design Education | User Experienc
H-Index Metrics
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H-Index4
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i10 Index4
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Citation Counts183
Rankings
Rankings
Rankings
Rankings
Electromagnetic Shielding Considerations in Buildings | Spatial Design for Healthy and Effective Electromagnetic Wave Propagatio
H-Index Metrics
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H-Index3
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i10 Index0
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Citation Counts16
Rankings
Rankings
nineteenth-century literature and philosophy | reception of Shakespeare | classics | aesthetic
H-Index Metrics
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H-Index2
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i10 Index0
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Citation Counts11
Rankings
Interior Architecture | Furniture Design | Interdisciplinary Art Education | Teaching Method | Curriculum Desig
H-Index Metrics
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H-Index2
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i10 Index0
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Citation Counts10
Rankings
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