- Elementary Particles, Quantum Field Theory 47
- Quantum Field Theories, String Theory 47
- Classical and Quantum Gravitation, Relativity Theory 43
- Quantum Physics 43
- Science, Humanities and Social Sciences, multidisciplinary 28
- Science, multidisciplinary 24
- Artificial Intelligence 22
- Biomedicine, general 17
- Computer Communication Networks 16
- Special Purpose and Application-Based Systems 16
- User Interfaces and Human Computer Interaction 15
- Biotechnology 13
- Computer Applications 13
- Medicine/Public Health, general 13
- Biochemistry, general 12
- Life Sciences, general 12
- Oncology 11
- Cell Biology 10
- Plant Sciences 10
- Software Engineering/Programming and Operating Systems 10