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Researcher · George Washington University · United States

Daniel H. Ullman

Daniel H. Ullman publishes mostly in Theoretical Computer Science, Applied Mathematics and Computational Mechanics, on topics such as History and Theory of Mathematics, Heat Transfer and Numerical Methods and Mathematical functions and polynomials.

OpenAlex
World rank
#6,073,685
of 7,710,434 ranked researchers
Rank in United States
#1,471,750
of 1,627,098
Works
131
Citations
926
Citations per work
7.1
h-index
10
i10-index 10Top 21% in Theoretical Computer Science
Daniel H. Ullman

What does Daniel H. Ullman research?

Daniel H. Ullman's work is mostly in Mathematics (40%), Engineering (21%), Computer Science (7%).

Physical Sciences: 90 works · 68.4% of their workMathematics: 52 works · 39.9% of their workTheoretical Computer Science: 19 works · 14.5% of their workApplied Mathematics: 18 works · 14.0% of their workNumerical Analysis: 15 works · 11.4% of their workEngineering: 28 works · 21.1% of their workComputational Mechanics: 18 works · 13.4% of their workBiomedical Engineering: 10 works · 7.7% of their workComputer Science: 10 works · 7.4% of their workComputational Theory and Mathematics: 10 works · 7.4% of their workEverything else: 41 works · 31.6% of their workTHEIR WORKDaniel H. Ullman131works
Physical Sciences68%

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. Mathematics5239.9%
    2. Engineering2821.1%
    3. Computer Science107.4%
  2. Everything else4131.6%
  1. 1Theoretical Computer Science14% of their works
  2. 2Applied Mathematics14% of their works
  3. 3Computational Mechanics13% of their works
  4. 4Numerical Analysis11% of their works
  5. 5Biomedical Engineering8% of their works
  6. 6Computational Theory and Mathematics7% of their works

Research topics

Which keywords describe Daniel H. Ullman's research?

The keywords of their largest research topics: Historical Sources, Mathematics Education, Heat Transfer, Numerical Methods, Orthogonal Polynomials, Quadrature Methods, Iterative Methods and Newton's Method.

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. Historical Sources511 topic
  2. Mathematics Education511 topic
  3. Heat Transfer471 topic
  4. Numerical Methods471 topic
  5. Orthogonal Polynomials391 topic
  6. Quadrature Methods391 topic
  7. Iterative Methods381 topic
  8. Newton's Method381 topic
  9. Golf Biomechanics271 topic
  10. Swing Kinematics271 topic
  11. Experimental Tools231 topic
  12. Smartphones231 topic
  13. Geometry121 topic
  14. Hyperbolic121 topic
  15. Graph Theory91 topic
  16. Parameterized Complexity91 topic

Where does Daniel H. Ullman work?

Daniel H. Ullman's main affiliation in the publication record is George Washington University, United States.

How many publications and citations does Daniel H. Ullman have?

OpenAlex counts 131 works and 926 citations for Daniel H. Ullman, an h-index of 10, ranking #6,073,685 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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