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Researcher · Umeå University · Sweden

Roland Häggkvist

Roland Häggkvist publishes mostly in Computational Theory and Mathematics, Electrical and Electronic Engineering and Discrete Mathematics and Combinatorics, on topics such as Advanced Graph Theory Research, graph theory and CDMA systems and Limits and Structures in Graph Theory.

OpenAlex
World rank
#1,130,698
of 7,710,434 ranked researchers
Rank in Sweden
#14,469
of 71,437
Works
87
Citations
2.6k
Citations per work
30.4
h-index
26
i10-index 41Top 7.4% in Computational Theory and Mathematics
Roland Häggkvist

What does Roland Häggkvist research?

Roland Häggkvist's work is mostly in Computer Science (33%), Mathematics (27%), Engineering (17%).

Physical Sciences: 70 works · 80.9% of their workComputer Science: 29 works · 33.4% of their workComputational Theory and Mathematics: 26 works · 30.0% of their workComputer Networks and Communications: 3 works · 3.4% of their workMathematics: 24 works · 27.4% of their workDiscrete Mathematics and Combinatorics: 15 works · 16.7% of their workGeometry and Topology: 9 works · 10.7% of their workEngineering: 15 works · 16.7% of their workElectrical and Electronic Engineering: 15 works · 16.7% of their workPhysics and Astronomy: 3 works · 3.4% of their workCondensed Matter Physics: 3 works · 3.4% of their workEverything else: 17 works · 19.1% of their workTHEIR WORKRoland Häggkvist87works
Physical Sciences81%

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 Science2933.4%
    2. Mathematics2427.4%
    3. Engineering1516.7%
    4. Physics and Astronomy33.4%
  2. Everything else1719.1%
  1. 1Computational Theory and Mathematics30% of their works
  2. 2Electrical and Electronic Engineering17% of their works
  3. 3Discrete Mathematics and Combinatorics17% of their works
  4. 4Geometry and Topology11% of their works
  5. 5Computer Networks and Communications3% of their works
  6. 6Condensed Matter Physics3% of their works

Research topics

Which keywords describe Roland Häggkvist's research?

The keywords of their largest research topics: Graph Theory, Parameterized Complexity, Fiber Bragg Grating, Spectral Amplitude Coding, Graph Limits, Szemerédi's Theorem, Graph Spectra and Topological Indices.

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. Graph Theory491 topic
  2. Parameterized Complexity491 topic
  3. Fiber Bragg Grating381 topic
  4. Spectral Amplitude Coding381 topic
  5. Graph Limits291 topic
  6. Szemerédi's Theorem291 topic
  7. Graph Spectra171 topic
  8. Topological Indices171 topic
  9. Graph Labeling121 topic
  10. Metric Dimension121 topic
  11. Finite Groups91 topic
  12. Graphs91 topic
  13. Interconnection Networks71 topic
  14. Networks on Chip71 topic
  15. Critical Phenomena61 topic
  16. Phase Transitions61 topic

Where does Roland Häggkvist work?

Roland Häggkvist's main affiliation in the publication record is Umeå University, Sweden.

How many publications and citations does Roland Häggkvist have?

OpenAlex counts 87 works and 2,648 citations for Roland Häggkvist, an h-index of 26, ranking #1,130,698 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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