Dimension reduction, variable selection and their applications An introduction to variational inequalities and their applications 书名原文:An introduction to variational inequalities and their applications 并列题名:An introduction to variational inequalities and their applications emerging trends in research and their applications Differential equations and their applications Variational principles with mixed variables in elasticity and their applications Complex numbers, complex functions and their applications Engineering materials and their applications Optoelectronic devices and their applications