Now she is a visiting scholar of Professor Luminita Vese in mathematics in UCLA from July 1, 2013 to June 30, 2014. Her research major is the applications of partial differential equations to image processing. She got her PHD degree in applied mathematics institute of Chinese Academy Science, 2007. In that time, she studied the multigrid method in image restoration from Professor Qianshun Chang. Jing Xu has one year experience being a research fellow in Nanyang Technology University, Singapore from 2008 to 2009. During that time, she studied domain decomposition method from Professor Xuecheng Tai and lilian Wang.