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Researcher · Rockford University · United States

Ervin Feldheim

Ervin Feldheim publishes mostly in Geometry and Topology, Applied Mathematics and Theoretical Computer Science, on topics such as History and Theory of Mathematics, Mathematics and Applications and Mathematical functions and polynomials.

OpenAlex
World rank
#4,926,555
of 7,710,434 ranked researchers
Rank in United States
#1,283,349
of 1,627,098
Works
19
Citations
228
Citations per work
12.0
h-index
8
i10-index 7Top 49% in Geometry and Topology
Ervin Feldheim

What does Ervin Feldheim research?

Ervin Feldheim's work is mostly in Mathematics (56%), Computer Science (8%), Engineering (8%).

Physical Sciences: 14 works · 71.8% of their workMathematics: 11 works · 56.4% of their workGeometry and Topology: 3 works · 17.9% of their workApplied Mathematics: 3 works · 15.4% of their workTheoretical Computer Science: 2 works · 12.8% of their workMathematical Physics: 2 works · 10.3% of their workComputer Science: 1 works · 7.7% of their workComputational Theory and Mathematics: 1 works · 7.7% of their workEngineering: 1 works · 7.7% of their workComputational Mechanics: 1 works · 7.7% of their workEverything else: 5 works · 28.2% of their workTHEIR WORKErvin Feldheim19works
Physical Sciences72%

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. Mathematics1156.4%
    2. Computer Science17.7%
    3. Engineering17.7%
  2. Everything else528.2%
  1. 1Geometry and Topology18% of their works
  2. 2Applied Mathematics15% of their works
  3. 3Theoretical Computer Science13% of their works
  4. 4Mathematical Physics10% of their works
  5. 5Computational Mechanics8% of their works
  6. 6Computational Theory and Mathematics8% of their works

Research topics

Which keywords describe Ervin Feldheim's research?

The keywords of their largest research topics: Historical Sources, Mathematics Education, Geometry, Hyperbolic, Bifurcations, Orthogonal Polynomials, Planar Systems and Quadrature Methods.

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. The words come from the keyword list OpenAlex gives each topic, not from the text of the papers, so a word can appear that none of the papers uses.

All 16 words, with their numbers
  1. Historical Sources51 topic
  2. Mathematics Education51 topic
  3. Geometry41 topic
  4. Hyperbolic41 topic
  5. Bifurcations31 topic
  6. Orthogonal Polynomials31 topic
  7. Planar Systems31 topic
  8. Quadrature Methods31 topic
  9. Bayesian Networks21 topic
  10. Causal Inference21 topic
  11. Finite Elements21 topic
  12. Geometric Algebra21 topic
  13. Inverse Problems21 topic
  14. NURBS21 topic
  15. Quaternionic Analysis21 topic
  16. Regularization Methods21 topic

Where does Ervin Feldheim work?

Ervin Feldheim's main affiliation in the publication record is Rockford University, United States.

How many publications and citations does Ervin Feldheim have?

OpenAlex counts 19 works and 228 citations for Ervin Feldheim, an h-index of 8, ranking #4,926,555 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised citation 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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