Finite elements and approximation 并列题名：Optimization and approximation 并列题名：Mixed finite element methods and applications 并列题名：Diophantine approximation 并列题名：Proteomics and application Mixed finite element methods and applications 并列题名：Finite element method 并列题名：Markov process and application 并列题名：Indefinite equation and its application Fourier analysis and approximation