Ji Xu. Columbia University. Verified email at columbia.edu - Homepage. Articles Cited by Public access. Title. Sort. Sort by citations Sort by year Sort by title. Cited by. Cited by. Year; Two models of double descent for weak features. M Belkin, D Hsu, J Xu. SIAM Journal on Mathematics of Data Science 2 (4), 1167-1180, 2020. 477:

I am a tenure-track associate professor in the school of computer science and engineering at Southeast University, starting from fall 2021. Before that, I was a postdoctoral researcher in CT research group in Department of Medical Physics at University of Wisconsin-Madison advised by Dr. Guang-Hong Chen and Dr. Ke Li.

Ji Xu（徐计） Sate Key Laboratory of Public Big Data, Guizhou University ... J Yang, Y Wang, Z Wang, J Xu, X Zhang, S Tang. 2021 China Automation Congress (CAC), 4926-4933, 2021. 4: 2021: GGT-SNN: Graph learning and Gaussian prior integrated spiking graph neural network for event-driven tactile object recognition. J Yang, Z Yu, S Li, Y Cao ...

About Ji Xu. I am a fifth year Ph.D candidate in Computer Science Department at Columbia University. My two advisors are Prof. Daniel Hsu (Computer Science Department) and Prof. Arian Maleki (Statistics Department). My research focuses on high dimensional statistics and machine learning algorithm.

Ji Xu Human beings solve problems in different granularity worlds and shift from one granularity world to another quickly. It reflects human beings’ intelligence in problem solving to some...

Proceedings of Spie--the International Society for Optical Engineering 10948 …

Ji Xu received the B.S. degree in mathematics with minor in economics from Peking University and the M.A. degree in statistics from Columbia University, where he is currently pursuing the Ph.D. degree with the Computer Science Department.

Promoting openness in scientific communication and the peer-review process

Xu Ji received the Ph.D. degree in medical physics from the University of Wisconsin-Madison, Madison, WI, USA, in 2020. He has been a Faculty Member of the Department of Computer Science and Engineering, Southeast University, Nanjing, China, since 2021. His research interests include medical imaging system reconstruction.

Ji Xu, Daniel Hsu, Arian Maleki. "Global analysis of Expectation Maximization for mixtures of two Gaussians." Neural Information Processing Systems (NeurIPS), 2016 (Oral Presentation + Travel Award).