- Elementary Particles, Quantum Field Theory 98
- Quantum Field Theories, String Theory 98
- Astronomy, Astrophysics and Cosmology 51
- Nuclear Energy 51
- Nuclear Physics, Heavy Ions, Hadrons 51
- Measurement Science and Instrumentation 50
- Quantum Physics 49
- Classical and Quantum Gravitation, Relativity Theory 48
- Signal, Image and Speech Processing 29
- Communications Engineering, Networks 27
- Circuits and Systems 21
- Information Systems and Communication Service 21
- Information and Communication, Circuits 17
- Medical Microbiology 17
- Computational Intelligence 16
- Computer Communication Networks 16
- Microbiology 16
- Artificial Intelligence 15
- Science, Humanities and Social Sciences, multidisciplinary 15
- Science, multidisciplinary 15