Tohru Nitta

Proposal of fully augmented complex-valued neural networks 

Nonlinear Theory and Its Applications, IEICE, 14(2) 175-192, Apr, 2023  Peer-reviewed

Fully Augmented Complex-Valued Neural Networks 

Proceedings of the 2022 International Symposium on Nonlinear Theory and its Applications (NOLTA2022), 248-251, Dec, 2022  Peer-reviewed

Sequential Learning on sEMGs in Short- and Long-term Situations via Self-Training Semi-Supervised Support Vector Machine 

Proceedings of the 44th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC2022), 3232-3235, Jul, 2022  Peer-reviewed

Spurious Local Minima of Deep ReLU Neural Networks in the Neural Tangent Kernel Regime 

arXiv Preprint, arXiv:1806.04884v3, May, 2022  

Fundamental Structure of Orthogonal Variable Commutative Quaternion Neurons. 

Proceedings of Joint 11th International Conference on Soft Computing and Intelligent Systems and 21st International Symposium on Advanced Intelligent Systems, SCIS & ISIS2020, 1-3, Dec, 2020  Peer-reviewedLead authorCorresponding author

No Bad Local Minima in Wide and Deep Nonlinear Neural Networks 

arXiv Preprint, arXiv:1806.04884v2, 2020  

Hypercomplex Widely Linear Estimation Through the Lens of Underpinning Geometry 

IEEE TRANSACTIONS ON SIGNAL PROCESSING, 67(15) 3985-3994, Aug, 2019  Peer-reviewedLead authorCorresponding author

Resolution of Singularities via Deep Complex-Valued Neural Networks 

MATHEMATICAL METHODS IN THE APPLIED SCIENCES, 41(11) 4170-4178, Jul, 2018  Peer-reviewedLead authorCorresponding author

Hyperbolic Gradient Operator and Hyperbolic Back-Propagation Learning Algorithms 

IEEE TRANSACTIONS ON NEURAL NETWORKS AND LEARNING SYSTEMS, 29(5) 1689-1702, May, 2018  Peer-reviewedLead authorCorresponding author

Weight Initialization without Local Minima in Deep Nonlinear Neural Networks. 

arXiv Preprint, arXiv: 1806.04884, 2018  Lead authorCorresponding author

Resolution of Singularities Introduced by Hierarchical Structure in Deep Neural Networks 

IEEE TRANSACTIONS ON NEURAL NETWORKS AND LEARNING SYSTEMS, 28(10) 2282-2293, Oct, 2017  Peer-reviewedLead authorCorresponding author

On the Singularity in Deep Neural Networks 

Proceedings of the 23rd International Conference on Neural Information Processing, ICONIP2016-Kyoto, Part IV, LNCS, 9950 389-396, 2016  Peer-reviewedLead authorCorresponding author

Performance Bounds of Quaternion Estimators 

IEEE TRANSACTIONS ON NEURAL NETWORKS AND LEARNING SYSTEMS, 26(12) 3287-3292, Dec, 2015  Peer-reviewed

Complex-Valued Neurocomputing and Singular Points 

ARCHIVES OF NEUROSCIENCE, 2(4), Oct, 2015  Peer-reviewedInvitedLead authorCorresponding author

Learning Dynamics of a Single Polar Variable Complex-Valued Neuron 

NEURAL COMPUTATION, 27(5) 1120-1141, May, 2015  Peer-reviewedLead author

Natural Gradient Descent for Training Stochastic Complex-Valued Neural Networks 

International Journal of Advanced Computer Science and Applications, 5(7) 193-198, 2014  Peer-reviewedLead authorCorresponding author

Plateau in a Polar Variable Complex-Valued Neuron 

Proceedings of the 6th International Conference on Agents and Artificial Intelligence, ICAART2014-Anger, 1 526-531, 2014  Peer-reviewedLead authorCorresponding author

Local Minima in Hierarchical Structures of Complex-Valued Neural Networks 

NEURAL NETWORKS, 43 1-7, Jul, 2013  Peer-reviewedLead authorCorresponding author