- Analysis 7
- Mathematics, general 7
- Abstract Harmonic Analysis 6
- Partial Differential Equations 5
- Fourier Analysis 4
- Functional Analysis 4
- Algebra 3
- Applications of Mathematics 3
- Approximations and Expansions 3
- Geometry 3
- Mathematical Methods in Physics 3
- Signal, Image and Speech Processing 3
- Dynamical Systems and Ergodic Theory 2
- Measure and Integration 1
- Numerical Analysis 1
- Potential Theory 1
- Probability Theory and Stochastic Processes 1
- Special Functions 1
- Theoretical, Mathematical and Computational Physics 1
- Topology 1