- Science, Humanities and Social Sciences, multidisciplinary 6
- Science, multidisciplinary 6
- Atomic, Molecular, Optical and Plasma Physics 3
- Communications Engineering, Networks 3
- Physical Chemistry 3
- Physics, general 3
- Computer Communication Networks 2
- Quantum Physics 2
- Algorithm Analysis and Problem Complexity 1
- Applications of Nonlinear Dynamics and Chaos Theory 1
- Applied and Technical Physics 1
- Classical and Continuum Physics 1
- Complex Systems 1
- Computer Systems Organization and Communication Networks 1
- Condensed Matter Physics 1
- Cryptology 1
- Electronics and Microelectronics, Instrumentation 1
- Engineering, general 1
- Information Systems and Communication Service 1
- Inorganic Chemistry 1