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Researcher · Tokyo Institute of Technology · Japan

Masakazu Kojima

Masakazu Kojima publishes mostly in Computational Theory and Mathematics, Numerical Analysis and Computational Mechanics, on topics such as Advanced Optimization Algorithms Research, Optimization and Variational Analysis and Matrix Theory and Algorithms.

OpenAlex
World rank
#1,054,329
of 7,710,434 ranked researchers
Rank in Japan
#14,489
of 383,136
Works
338
Citations
7.6k
Citations per work
22.5
h-index
43
i10-index 87Top 1.6% in Computational Theory and Mathematics
Masakazu Kojima

What does Masakazu Kojima research?

Masakazu Kojima's work is mostly in Computer Science (45%), Mathematics (31%), Engineering (11%).

Physical Sciences: 293 works · 86.7% of their workComputer Science: 151 works · 44.6% of their workComputational Theory and Mathematics: 119 works · 35.3% of their workArtificial Intelligence: 22 works · 6.4% of their workComputer Networks and Communications: 10 works · 2.9% of their workMathematics: 106 works · 31.4% of their workNumerical Analysis: 106 works · 31.4% of their workEngineering: 36 works · 10.7% of their workComputational Mechanics: 23 works · 6.7% of their workControl and Systems Engineering: 14 works · 4.0% of their workEverything else: 45 works · 13.3% of their workTHEIR WORKMasakazu Kojima338works
Physical Sciences87%

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. Computer Science15144.6%
    2. Mathematics10631.4%
    3. Engineering3610.7%
  2. Everything else4513.3%
  1. 1Computational Theory and Mathematics35% of their works
  2. 2Numerical Analysis31% of their works
  3. 3Computational Mechanics7% of their works
  4. 4Artificial Intelligence6% of their works
  5. 5Control and Systems Engineering4% of their works
  6. 6Computer Networks and Communications3% of their works

Research topics

Which keywords describe Masakazu Kojima's research?

The keywords of their largest research topics: Convex Optimization, Optimization Software, Semidefinite Programming, Iterative Algorithms, Nonlinear Operators, Approximation Algorithms, Matrix Computations and Numerical Linear Algebra.

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. Convex Optimization2743 topics
  2. Optimization Software2051 topic
  3. Semidefinite Programming2051 topic
  4. Iterative Algorithms861 topic
  5. Nonlinear Operators861 topic
  6. Approximation Algorithms632 topics
  7. Matrix Computations631 topic
  8. Numerical Linear Algebra631 topic
  9. Gröbner Bases501 topic
  10. Symbolic Computing501 topic
  11. Compressed Sensing371 topic
  12. Sparse Representation371 topic
  13. Random Projections321 topic
  14. Stochastic Gradient Descent321 topic
  15. Combinatorial Optimization311 topic
  16. Complexity Theory311 topic
  17. Floating-Point Arithmetic161 topic
  18. Interval Analysis161 topic

Where does Masakazu Kojima work?

Masakazu Kojima's main affiliation in the publication record is Tokyo Institute of Technology, Japan.

How many publications and citations does Masakazu Kojima have?

OpenAlex counts 338 works and 7,604 citations for Masakazu Kojima, an h-index of 43, ranking #1,054,329 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.

Other researchers named Masakazu Kojima

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