Mathematics:
Data analysis
Statistics and Bayesian Principles
Riemannian surface and Riemannian geometry
Preliminary Algebraic Topology
Parameter calculation
Statistical analysis
Mathematical modeling 
Linear algebra
Matrix
Vector analysis
Complex analysis
Differential equation 
Laplace transform 
Fourier analysis
Combinatorial mathematics
Function theory
Discrete mathematics, etc
Big data:
The basic model of big data
Data Science
Big data search
Memory system
Deep learning
High performance computing technology
Network infrastructure
Multi-core computing
Big data applications
Fault tolerance and reliability
Big data system
Big data privacy and security
Big data archiving and preservation
Data Analysis and Data Mining
Intelligent information processing 
Digital City and Intelligent Buildings
Multivariate heterogeneous data fusion
Big data analysis and intelligent recommendation
Intelligent computing:
Genetic algorithm
Simulated annealing algorithm
Taboo search algorithm
Evolutionary algorithms
Heuristic algorithm
Ant colony
Artificial fish school algorithm
Particle Swarm Optimization
Hybrid intelligent algorithm
Immune algorithm
Rough set theory
Artificial intelligence
Artificial neural network
Machine learning
Biocomputing
DNA computing
Quantum computing
Intelligent computing and optimization
Fuzzy logic
Pattern recognition
Data mining 
Economic forecasting
Financial analysis
Information safety
Medical diagnosis 
Intelligent computing applications