Science Explorer Interactive view Map
Researcher · Gunma University · Japan

Hiroshi Okumura

Hiroshi Okumura publishes mostly in Applied Mathematics, Geometry and Topology and Mathematical Physics, on topics such as Mathematics and Applications, Algebraic and Geometric Analysis and Mathematical and Theoretical Analysis.

World rank
#947,277
of 1,633,909 ranked researchers
Rank in Japan
#50,331
of 114,622
Works
22
Citations
13
Citations per work
0.6

What does Hiroshi Okumura research?

Applied Mathematics: 21.1%Geometry and Topology: 21.1%Mathematical Physics: 15.8%Numerical Analysis: 10.5%other fields: 31.5%21%top field
Applied Mathematics21.1%Geometry and Topology21.1%Mathematical Physics15.8%Numerical Analysis10.5%other fields31.5%

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

  1. 1Applied Mathematics21% of their works
  2. 2Geometry and Topology21% of their works
  3. 3Mathematical Physics16% of their works
  4. 4Numerical Analysis10% of their works
  5. 5Atmospheric Science5% of their works
  6. 6Ecology5% of their works

Research topics

Which keywords describe Hiroshi Okumura's research?

The keywords of their largest research topics: Geometry, Hyperbolic, Geometric Algebra, Iterative Methods, Quaternionic Analysis, Convergence Analysis, Generalized Functions and Infinite and Infinitesimal Numbers.

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. Geometry41 topic
  2. Hyperbolic41 topic
  3. Geometric Algebra31 topic
  4. Iterative Methods32 topics
  5. Quaternionic Analysis31 topic
  6. Convergence Analysis21 topic
  7. Generalized Functions21 topic
  8. Infinite and Infinitesimal Numbers21 topic
  9. Newton's Method21 topic
  10. Remote Sensing22 topics
  11. Geohazards11 topic
  12. Heat Transfer11 topic
  13. Hyperspectral11 topic
  14. Hyperspectral Imaging11 topic
  15. Image Analysis11 topic
  16. Matrix Computations11 topic
  17. Numerical Linear Algebra11 topic
  18. Numerical Methods11 topic

Where does Hiroshi Okumura work?

Hiroshi Okumura's main affiliation in the publication record is Gunma University, Japan.

How many publications and citations does Hiroshi Okumura have?

Science Explorer counts 22 works and 13 citations for Hiroshi Okumura, ranking #947,277 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 Hiroshi Okumura

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.