(The following topics include but are not limited to)
Topic 1: Applied Mathematics
linear algebra
Matrix theory
Vector analysis
Complex analysis
differential equation 
Laplace transform 
Fourier analysis
numerical analysis
probability theory
mathematical statistics
Operations Research
Game theory
control theory
Combinatorial mathematics
Information theory
Computational Mathematics
information theory
statistics
The Application of Applied Mathematics
Topic 2: Statistics
Statistical Theory and Methods
Statistical calculations
multivariate statistical analysis 
Statistical prediction and decision-making
statistical mechanics
Statistical Logic
Statistical Law
Economic Statistics
Management Statistics
Science and Technology Statistics
Sociostatistics
Educational Statistics
Medical Statistics
Environmental and Ecological Statistics
International Statistics
Engineering Statistics
Literature statistical analysis
Chemistry and Program Analysis
reliability engineering 
Topic 3: Data Science
Data collection
data mining 
Data visualization
data management
Machine Learning and Algorithms
Neural Networks and Deep Learning
Data modeling
Model development and testing
Big data technology and application scenarios
Data security and privacy protection