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Researcher · University of Tsukuba · Japan

Hisao Kato

Hisao Kato publishes mostly in Mathematical Physics, Geometry and Topology and Astronomy and Astrophysics, on topics such as Mathematical Dynamics and Fractals, Advanced Topology and Set Theory and Ionosphere and magnetosphere dynamics.

World rank
#1,016,386
of 1,633,909 ranked researchers
Rank in Japan
#56,525
of 114,622
Works
49
Citations
78
Citations per work
1.6

What does Hisao Kato research?

Mathematical Physics: 22.9%Geometry and Topology: 16.9%Astronomy and Astrophysics: 7.2%Geophysics: 4.8%other fields: 48.2%23%top field
Mathematical Physics22.9%Geometry and Topology16.9%Astronomy and Astrophysics7.2%Geophysics4.8%other fields48.2%

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

  1. 1Mathematical Physics23% of their works
  2. 2Geometry and Topology17% of their works
  3. 3Astronomy and Astrophysics7% of their works
  4. 4Geophysics5% of their works
  5. 5Applied Mathematics5% of their works
  6. 6Computational Theory and Mathematics5% of their works

Research topics

Which keywords describe Hisao Kato's research?

The keywords of their largest research topics: Chaos, Dynamical Systems, Model Theory, Topological Dynamics, Ionosphere, Magnetosphere, Deformation Quantization and Poisson Manifolds.

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 16 words, with their numbers
  1. Chaos121 topic
  2. Dynamical Systems121 topic
  3. Model Theory91 topic
  4. Topological Dynamics91 topic
  5. Ionosphere41 topic
  6. Magnetosphere41 topic
  7. Deformation Quantization31 topic
  8. Poisson Manifolds31 topic
  9. Algorithmic Information Theory21 topic
  10. Computability21 topic
  11. Earthquakes21 topic
  12. Functional Equations21 topic
  13. Hyers-Ulam Stability21 topic
  14. Ionospheric Anomalies21 topic
  15. Seismic Electromagnetics21 topic
  16. Subduction21 topic

Where does Hisao Kato work?

Hisao Kato's main affiliation in the publication record is University of Tsukuba, Japan.

How many publications and citations does Hisao Kato have?

Science Explorer counts 49 works and 78 citations for Hisao Kato, ranking #1,016,386 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.

Other researchers named Hisao Kato

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