Statistics
1. Time Series2. Categorical Analysis3. Multivariate Statistics4. Nonparametric Statistics5. Econometrics6. Data Mining7. Spatial Data8. Quality Control9. Insurance Theory10. Financial Statistics11. Bayesian Analysis12. Survey Sample Analysis13. Experiment Design14. Reliability15. Statistic Computation16. Bootstrap17. Wavelet18. Neural Network
Mathematics
1. Algebra2. Geometry3. Actuarial Science4. Analysis5. Operations research6. Mathematical modeling7. System dynamic8. Fuzzy9. Computing10. Combinatorics11. Financial mathematics12. Stochastic