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Researcher · University of Tennessee at Chattanooga · United States

John R. Graef

John R. Graef publishes mostly in Applied Mathematics, Numerical Analysis and Modeling and Simulation, on topics such as Nonlinear Differential Equations Analysis, Differential Equations and Numerical Methods and Fractional Differential Equations Solutions.

ORCID 0000-0002-8149-4633 OpenAlex
World rank
#520,125
of 1,633,909 ranked researchers
Rank in United States
#171,112
of 358,040
Works
108
Citations
284
Citations per work
2.6

What does John R. Graef research?

Applied Mathematics: 37.5%Numerical Analysis: 27.6%Modeling and Simulation: 9.9%Control and Systems Engineering: 5.3%other fields: 19.7%38%top field
Applied Mathematics37.5%Numerical Analysis27.6%Modeling and Simulation9.9%Control and Systems Engineering5.3%other fields19.7%

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

  1. 1Applied Mathematics38% of their works
  2. 2Numerical Analysis28% of their works
  3. 3Modeling and Simulation10% of their works
  4. 4Control and Systems Engineering5% of their works
  5. 5Public Health, Environmental and Occupational Health5% of their works
  6. 6Computational Theory and Mathematics4% of their works

Research topics

Which keywords describe John R. Graef's research?

The keywords of their largest research topics: Boundary Value Problems, Controllability, Fractional Differential Equations, Semilinear Differential Equations, Numerical Methods, Singular Perturbation, Anomalous Diffusion and Fractional Calculus.

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. Boundary Value Problems552 topics
  2. Controllability512 topics
  3. Fractional Differential Equations431 topic
  4. Semilinear Differential Equations431 topic
  5. Numerical Methods291 topic
  6. Singular Perturbation291 topic
  7. Anomalous Diffusion151 topic
  8. Fractional Calculus151 topic
  9. Differential Equations131 topic
  10. Numerical Integration131 topic
  11. Nonlocal121 topic
  12. Partial Differential Equations121 topic
  13. Boundary Control81 topic
  14. Distributed Parameter Systems81 topic
  15. Disease Transmission71 topic
  16. Population Dynamics71 topic
  17. Heterogeneous41 topic
  18. Multiscale Methods41 topic

Where does John R. Graef work?

John R. Graef's main affiliation in the publication record is University of Tennessee at Chattanooga, United States.

How many publications and citations does John R. Graef have?

Science Explorer counts 108 works and 284 citations for John R. Graef, ranking #520,125 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.

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.