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Researcher · Simula Research Laboratory · Norway

Bjørn Fredrik Nielsen

Bjørn Fredrik Nielsen publishes mostly in Mathematical Physics, Computational Mechanics and Computational Theory and Mathematics, on topics such as Numerical methods in inverse problems, Cardiac electrophysiology and arrhythmias and Advanced Numerical Methods in Computational Mathematics.

ORCID 0000-0002-3747-7828 OpenAlex
World rank
#2,065,873
of 7,710,434 ranked researchers
Rank in Norway
#12,947
of 33,005
Works
90
Citations
1.6k
Citations per work
17.8
h-index
19
i10-index 27Top 14% in Mathematical Physics
Bjørn Fredrik Nielsen

What does Bjørn Fredrik Nielsen research?

Bjørn Fredrik Nielsen's work is mostly in Medicine (17%), Engineering (15%), Mathematics (12%).

Everything else: 41 works · 45.9% of their workPhysical Sciences: 33 works · 37.0% of their workEngineering: 14 works · 15.2% of their workComputational Mechanics: 9 works · 10.1% of their workBiomedical Engineering: 5 works · 5.1% of their workMathematics: 11 works · 12.1% of their workMathematical Physics: 11 works · 12.1% of their workComputer Science: 9 works · 9.7% of their workComputational Theory and Mathematics: 9 works · 9.7% of their workHealth Sciences: 15 works · 17.1% of their workMedicine: 15 works · 17.1% of their workCardiology and Cardiovascular Medicine: 9 works · 9.7% of their workRadiology, Nuclear Medicine and Imaging: 7 works · 7.4% of their workTHEIR WORKBjørn FredrikNielsen90works
Physical Sciences37%Health Sciences17%

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. Everything else4145.9%
    1. Engineering1415.2%
    2. Mathematics1112.1%
    3. Computer Science99.7%
    1. Medicine1517.1%
  1. 1Mathematical Physics12% of their works
  2. 2Computational Mechanics10% of their works
  3. 3Computational Theory and Mathematics10% of their works
  4. 4Cardiology and Cardiovascular Medicine10% of their works
  5. 5Radiology, Nuclear Medicine and Imaging7% of their works
  6. 6Biomedical Engineering5% of their works

Research topics

Which keywords describe Bjørn Fredrik Nielsen's research?

The keywords of their largest research topics: Inverse Problems, Regularization Methods, Arrhythmias, Long-QT Syndrome, Finite Element Methods, Fluid-Structure Interaction, Magnetic Resonance Imaging and Perfusion Imaging.

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. Inverse Problems291 topic
  2. Regularization Methods291 topic
  3. Arrhythmias171 topic
  4. Long-QT Syndrome171 topic
  5. Finite Element Methods141 topic
  6. Fluid-Structure Interaction141 topic
  7. Magnetic Resonance Imaging141 topic
  8. Perfusion Imaging141 topic
  9. Matrix Computations121 topic
  10. Numerical Linear Algebra121 topic
  11. Heterogeneous111 topic
  12. Multiscale Methods111 topic
  13. Compressed Sensing101 topic
  14. Sparse Representation101 topic
  15. Breast Cancer Detection71 topic
  16. Microwave Imaging71 topic

Where does Bjørn Fredrik Nielsen work?

Bjørn Fredrik Nielsen's main affiliation in the publication record is Simula Research Laboratory, Norway.

How many publications and citations does Bjørn Fredrik Nielsen have?

OpenAlex counts 90 works and 1,603 citations for Bjørn Fredrik Nielsen, an h-index of 19, ranking #2,065,873 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.

Discussion

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