Ken-ichi Funahashi

5.3k total citations · 2 hit papers
10 papers, 3.6k citations indexed

About

Ken-ichi Funahashi is a scholar working on Artificial Intelligence, Statistical and Nonlinear Physics and Control and Systems Engineering. According to data from OpenAlex, Ken-ichi Funahashi has authored 10 papers receiving a total of 3.6k indexed citations (citations by other indexed papers that have themselves been cited), including 7 papers in Artificial Intelligence, 4 papers in Statistical and Nonlinear Physics and 2 papers in Control and Systems Engineering. Recurrent topics in Ken-ichi Funahashi's work include Neural Networks and Applications (7 papers), Model Reduction and Neural Networks (4 papers) and Control Systems and Identification (2 papers). Ken-ichi Funahashi is often cited by papers focused on Neural Networks and Applications (7 papers), Model Reduction and Neural Networks (4 papers) and Control Systems and Identification (2 papers). Ken-ichi Funahashi collaborates with scholars based in Japan and United States. Ken-ichi Funahashi's co-authors include Yuichi Nakamura, Naohiro Toda and S. Usui and has published in prestigious journals such as Neural Networks, Nagoya Mathematical Journal and Proceedings of the Japan Academy Series A Mathematical Sciences.

In The Last Decade

Ken-ichi Funahashi

10 papers receiving 3.4k citations

Hit Papers

On the approximate realization of continuous mappings by ... 1989 2026 2001 2013 1989 1993 500 1000 1.5k 2.0k 2.5k
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. On the approximate realization of continuous mappings by neural networks
    1989 2.9k citations Ken-ichi Funahashi Neural Networks profile →
  2. Approximation of dynamical systems by continuous time recurrent neural networks
    1993 631 citations Ken-ichi Funahashi, Yuichi Nakamura Neural Networks profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Ken-ichi Funahashi Japan 6 2.1k 1.2k 426 393 358 10 3.6k
Christian J. Darken United States 9 2.1k 1.0× 823 0.7× 258 0.6× 209 0.5× 672 1.9× 36 3.3k
Jihun Park South Korea 11 1.3k 0.6× 1.2k 1.0× 342 0.8× 217 0.6× 424 1.2× 51 3.2k
Spyros G. Tzafestaş Greece 36 1.3k 0.6× 2.9k 2.4× 482 1.1× 162 0.4× 883 2.5× 368 5.3k
Bogdan M. Wilamowski United States 33 1.7k 0.8× 1.3k 1.0× 1.4k 3.3× 150 0.4× 464 1.3× 183 4.6k
Irwin W. Sandberg United States 32 2.0k 0.9× 3.1k 2.6× 908 2.1× 672 1.7× 603 1.7× 222 6.8k
Caro Lucas Iran 34 2.4k 1.1× 1.4k 1.2× 1.2k 2.9× 150 0.4× 470 1.3× 181 6.2k
Andreas S. Weigend United States 20 1.8k 0.9× 348 0.3× 393 0.9× 188 0.5× 425 1.2× 57 3.1k
Anatoli Juditsky France 23 2.4k 1.1× 1.7k 1.4× 328 0.8× 188 0.5× 555 1.6× 68 5.1k
Matthias Seeger Germany 30 3.0k 1.4× 1.1k 0.9× 419 1.0× 192 0.5× 1.1k 3.1× 60 5.7k
H.W. Sorenson United States 15 2.2k 1.0× 1.2k 1.0× 405 1.0× 167 0.4× 260 0.7× 30 3.6k

Countries citing papers authored by Ken-ichi Funahashi

Since Specialization
Citations

This map shows the geographic impact of Ken-ichi Funahashi's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Ken-ichi Funahashi with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Ken-ichi Funahashi more than expected).

Fields of papers citing papers by Ken-ichi Funahashi

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ken-ichi Funahashi. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Ken-ichi Funahashi. The network helps show where Ken-ichi Funahashi may publish in the future.

Co-authorship network of co-authors of Ken-ichi Funahashi

This figure shows the co-authorship network connecting the top 25 collaborators of Ken-ichi Funahashi. A scholar is included among the top collaborators of Ken-ichi Funahashi based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Ken-ichi Funahashi. Ken-ichi Funahashi is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

10 of 10 papers shown
1.
Funahashi, Ken-ichi. (1998). Multilayer neural networks and Bayes decision theory. Neural Networks. 11(2). 209–213. 34 indexed citations
2.
Funahashi, Ken-ichi, et al.. (1996). On the Hopfield Neural Networks and Mean Field Theory. Neural Networks. 9(9). 1531–1540. 2 indexed citations
3.
Funahashi, Ken-ichi & Yuichi Nakamura. (1993). Approximation of dynamical systems by continuous time recurrent neural networks. Neural Networks. 6(6). 801–806. 631 indexed citations breakdown →
4.
Funahashi, Ken-ichi & Yuichi Nakamura. (1992). Neural Networks, Approximation Theory, and Dynamical Systems(Structure and Bifurcation of Dynamical Systems). Kyoto University Research Information Repository (Kyoto University). 804. 18–37. 1 indexed citations
5.
Toda, Naohiro, Ken-ichi Funahashi, & S. Usui. (1991). Analytic realization of polynomial functions by multilayer feedforward neural networks. 966 vol.2–966 vol.2. 2 indexed citations
6.
Toda, Naohiro, Ken-ichi Funahashi, & S. Usui. (1991). Polynomial functions can be realized by finite size multilayer feedforward neural networks. 343–348 vol.1. 5 indexed citations
7.
Funahashi, Ken-ichi. (1990). Approximate realization of identity mappings by three‐layer neural networks. Electronics and Communications in Japan (Part III Fundamental Electronic Science). 73(11). 61–68. 24 indexed citations
8.
Funahashi, Ken-ichi. (1989). On the approximate realization of continuous mappings by neural networks. Neural Networks. 2(3). 183–192. 2940 indexed citations breakdown →
9.
Funahashi, Ken-ichi. (1984). Normal holomorphic mappings and classical theorems of function theory. Nagoya Mathematical Journal. 94. 89–104. 7 indexed citations
10.
Funahashi, Ken-ichi. (1978). On the extension of analytic sets. Proceedings of the Japan Academy Series A Mathematical Sciences. 54(1). 3 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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