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Researcher · San Jose State University · United States

Hidefumi Katsuura

Hidefumi Katsuura publishes mostly in Geometry and Topology, Mathematical Physics and Computational Theory and Mathematics, on topics such as Mathematics and Applications, Mathematical and Theoretical Analysis and Advanced Topology and Set Theory.

OpenAlex
World rank
#6,059,049
of 7,710,434 ranked researchers
Rank in United States
#1,469,867
of 1,627,098
Works
26
Citations
140
Citations per work
5.4
h-index
5
i10-index 2Top 75% in Geometry and Topology
Hidefumi Katsuura

What does Hidefumi Katsuura research?

Hidefumi Katsuura's work is mostly in Mathematics (71%), Computer Science (14%).

Physical Sciences: 22 works · 85.5% of their workMathematics: 18 works · 71.0% of their workGeometry and Topology: 6 works · 24.2% of their workMathematical Physics: 6 works · 22.6% of their workApplied Mathematics: 3 works · 12.9% of their workTheoretical Computer Science: 2 works · 6.5% of their workAlgebra and Number Theory: 1 works · 4.8% of their workComputer Science: 4 works · 14.5% of their workComputational Theory and Mathematics: 4 works · 14.5% of their workEverything else: 4 works · 14.5% of their workTHEIR WORKHidefumi Katsuura26works
Physical Sciences86%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Mathematics1871.0%
    2. Computer Science414.5%
  2. Everything else414.5%
  1. 1Geometry and Topology24% of their works
  2. 2Mathematical Physics23% of their works
  3. 3Computational Theory and Mathematics14% of their works
  4. 4Applied Mathematics13% of their works
  5. 5Theoretical Computer Science6% of their works
  6. 6Algebra and Number Theory5% of their works

Research topics

Which keywords describe Hidefumi Katsuura's research?

The keywords of their largest research topics: Geometry, Hyperbolic, Generalized Functions, Infinite and Infinitesimal Numbers, Model Theory, Topological Dynamics, Algorithmic Information Theory and Computability.

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. Geometry81 topic
  2. Hyperbolic81 topic
  3. Generalized Functions61 topic
  4. Infinite and Infinitesimal Numbers61 topic
  5. Model Theory51 topic
  6. Topological Dynamics51 topic
  7. Algorithmic Information Theory41 topic
  8. Computability41 topic
  9. Functional Equations41 topic
  10. Historical Sources41 topic
  11. Hyers-Ulam Stability41 topic
  12. Mathematics Education41 topic
  13. Geometric Means31 topic
  14. Matrix Inequalities31 topic
  15. Gröbner Bases21 topic
  16. Symbolic Computing21 topic

Where does Hidefumi Katsuura work?

Hidefumi Katsuura's main affiliation in the publication record is San Jose State University, United States.

How many publications and citations does Hidefumi Katsuura have?

OpenAlex counts 26 works and 140 citations for Hidefumi Katsuura, an h-index of 5, ranking #6,059,049 of 7,710,434 researchers worldwide on the quality 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 have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

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