2026 Shun-ichi Amari: Computer Science Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Computer Science	106	272	264	1	1	512	62862

Research.com Recognitions

2026 - Research.com Computer Science in Japan Leader Award
2025 - Research.com Computer Science in Japan Leader Award
2023 - Research.com Computer Science in Japan Leader Award
2022 - Research.com Computer Science in Japan Leader Award
2009 - Polish Academy of Science
1994 - IEEE Fellow For contributions to mathematical foundations of neurocomputing and information geometry.
1992 - Neural Networks Pioneer Award, IEEE Computational Intelligence Society

Overview

Shun-ichi Amari is affiliated with the RIKEN Center for Brain Science in Japan. Their research spans multiple fields, primarily in computer science and mathematics, with significant contributions to subfields including artificial intelligence, applied mathematics, statistical and nonlinear physics, computational theory and mathematics, and cognitive neuroscience.

The scientist's work covers a range of research topics highlighting intersections between theoretical and applied areas. Key themes in their publications include:

Statistical Mechanics and Entropy
Geometric Analysis and Curvature Flows
Topological and Geometric Data Analysis
Neural Networks and Applications
Machine Learning and Extreme Learning Machines (ELM)
Point Processes and Geometric Inequalities
Morphological Variations and Asymmetry

Shun-ichi Amari has contributed to notable journals and venues frequently used for disseminating research. These venues include:

arXiv (Cornell University)
Information Geometry
Neural Computation
Japanese Journal of Mathematics
Journal of Statistical Mechanics Theory and Experiment

They have several recent publications demonstrating a focus on theoretical and computational aspects of neural networks and geometry, such as:

Information geometry, 2021, Japanese Journal of Mathematics
Any Target Function Exists in a Neighborhood of Any Sufficiently Wide Random Network: A Geometrical Perspective, 2020, Neural Computation
Universal statistics of Fisher information in deep neural networks: mean field approach, 2020, Journal of Statistical Mechanics Theory and Experiment
When Does Preconditioning Help or Hurt Generalization?, 2020, arXiv (Cornell University)
Wasserstein statistics in one-dimensional location scale models, 2021, Annals of the Institute of Statistical Mathematics

Shun-ichi Amari has collaborated frequently with several co-authors, including:

Ryo Karakida
Takeru Matsuda
Shotaro Akaho
Kotaro Sakamoto
Sho Sonoda

Their work has been recognized with multiple awards, such as:

Polish Academy of Science, 2009
IEEE Fellow, 1994, for contributions to mathematical foundations of neurocomputing and information geometry
Neural Networks Pioneer Award, IEEE Computational Intelligence Society, 1992

Best Publications

Natural gradient works efficiently in learning

Shun-ichi Amari

4081
Citations
Adaptive Blind Signal and Image Processing: Learning Algorithms and Applications

Andrzej Cichocki;Shun-ichi Amari

3536
Citations
Methods of information geometry

Shun-ichi Amari;Hiroshi Nagaoka

3532
Citations
A New Learning Algorithm for Blind Signal Separation

Shun-ichi Amari;Andrzej Cichocki;Howard Hua Yang

3111
Citations
Dynamics of pattern formation in lateral-inhibition type neural fields

Shun-Ichi Amari

2679
Citations
Nonnegative Matrix and Tensor Factorizations: Applications to Exploratory Multi-way Data Analysis and Blind Source Separation

Andrzej Cichocki;Rafal Zdunek;Anh Huy Phan;Shun-ichi Amari

2594
Citations
Differential-geometrical methods in statistics

Shun-ichi Amari

2540
Citations
Adaptive blind signal and image processing

Andrzej Cichocki;Shun-ichi Amari

1823
Citations
Nonnegative Matrix and Tensor Factorizations

Andrzej Cichocki;Rafal Zdunek;Anh Huy Phan;Shun-Ichi Amari

1796
Citations
Improving support vector machine classifiers by modifying kernal functions

S. Amari;S. Wu

1282
Citations
Information Geometry and Its Applications

Shun-ichi Amari

1262
Citations
Network information criterion-determining the number of hidden units for an artificial neural network model

N. Murata;S. Yoshizawa;S. Amari

934
Citations
Backpropagation and stochastic gradient descent method

Shun-ichi Amari

863
Citations
A Theory of Adaptive Pattern Classifiers

Shunichi Amari

820
Citations
Adaptive blind signal processing-neural network approaches

S. Amari;A. Cichocki

748
Citations
Learning Patterns and Pattern Sequences by Self-Organizing Nets of Threshold Elements

S.-I. Amari

630
Citations
Adaptive online learning algorithms for blind separation: maximum entropy and minimum mutual information

Howard Hua Yang;Shun-ichi Amari

609
Citations
Statistical neurodynamics of associative memory

Shun-Ichi Amari;Kenjiro Maginu

595
Citations
Flexible Independent Component Analysis

Seungjin Choi;Andrzej Cichocki;Shun-Ichi Amari

574
Citations
Differential Geometry of Curved Exponential Families-Curvatures and Information Loss

Shun-Ichi Amari

559
Citations

Frequent Co-Authors

Andrzej Cichocki Systems Research Institute

Toshiyuki Tanaka Kyoto University

Emery N. Brown MIT

Naoki Masuda University at Buffalo, State University of New York

Kenji Fukumizu The Institute of Statistical Mathematics

Frank Nielsen Sony Computer Science Laboratories

Klaus-Robert Müller Technical University of Berlin

Jianfeng Feng Fudan University

Yuanqing Li South China University of Technology

Scott C. Douglas Southern Methodist University

External Links

Wikipedia of Shun-ichi Amari Personal website of Shun-ichi Amari Google Scholar page

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