
A research group led by Taiki Yamada, a doctoral student in the Department of Mathematical Informatics, Graduate School of Information Science and Technology, The University of Tokyo; Professor Yuichi Katori of the Department of Complex and Intelligent Systems, Future University Hakodate School of Systems; and Associate Professor Kantaro Fujiwara of the International Research Organization for Neurointelligence (WPI-IRCN), The University of Tokyo, has proposed a new formulation based on unsupervised learning for echo-state networks (ESNs), a type of neural network.