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Researcher · Oita University · Japan

Fumiaki Kohsaka

Fumiaki Kohsaka publishes mostly in Computational Theory and Mathematics, Geometry and Topology and Numerical Analysis, on topics such as Optimization and Variational Analysis, Fixed Point Theorems Analysis and Advanced Banach Space Theory.

World rank
#524,173
of 1,633,909 ranked researchers
Rank in Japan
#20,130
of 114,622
Works
21
Citations
48
Citations per work
2.3

What does Fumiaki Kohsaka research?

Computational Theory and Mathematics: 42.1%Geometry and Topology: 21.1%Numerical Analysis: 10.5%Mathematical Physics: 10.5%other fields: 15.8%42%top field
Computational Theory and Mathematics42.1%Geometry and Topology21.1%Numerical Analysis10.5%Mathematical Physics10.5%other fields15.8%

Shares of their own output, by the field each of their topics belongs to. The grey slice is everything not listed.

  1. 1Computational Theory and Mathematics42% of their works
  2. 2Geometry and Topology21% of their works
  3. 3Numerical Analysis10% of their works
  4. 4Mathematical Physics10% of their works
  5. 5Control and Systems Engineering5% of their works
  6. 6Statistics and Probability5% of their works

Research topics

Which keywords describe Fumiaki Kohsaka's research?

The keywords of their largest research topics: Iterative Algorithms, Nonlinear Operators, Fixed Point Theorems, Metric Spaces, Banach Spaces, Functional Analysis, Operators and Topological Vector Spaces.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most.

All 18 words, with their numbers
  1. Iterative Algorithms81 topic
  2. Nonlinear Operators81 topic
  3. Fixed Point Theorems41 topic
  4. Metric Spaces41 topic
  5. Banach Spaces32 topics
  6. Functional Analysis32 topics
  7. Operators21 topic
  8. Topological Vector Spaces21 topic
  9. Adaptive Control11 topic
  10. Approximation Theorems11 topic
  11. Boundary Value Problems11 topic
  12. Fractional Differential Equations11 topic
  13. Iterative Methods11 topic
  14. Newton's Method11 topic
  15. Optimization Software11 topic
  16. Semidefinite Programming11 topic
  17. Statistical Convergence11 topic
  18. Trajectory Tracking11 topic

Where does Fumiaki Kohsaka work?

Fumiaki Kohsaka's main affiliation in the publication record is Oita University, Japan.

How many publications and citations does Fumiaki Kohsaka have?

Science Explorer counts 21 works and 48 citations for Fumiaki Kohsaka, ranking #524,173 of 1,633,909 researchers worldwide on the composite score.

Ranked on field-normalised excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics are in the interactive view on the map. Is this your page? Request a correction or removal.