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Petr Hájek

Petr Hájek publishes mostly in Artificial Intelligence, Computational Theory and Mathematics and Management Science and Operations Research, on topics such as Advanced Algebra and Logic, Rough Sets and Fuzzy Logic and Logic, Reasoning, and Knowledge.

World rank
#342,310
of 1,633,909 ranked researchers
Rank in Czechia
#828
of 9,029
Works
147
Citations
497
Citations per work
3.4

What does Petr Hájek research?

Artificial Intelligence: 24.7%Computational Theory and Mathematics: 23.2%Management Science and Operations Research: 8.1%Economics and Econometrics: 6.1%other fields: 37.9%25%top field
Artificial Intelligence24.7%Computational Theory and Mathematics23.2%Management Science and Operations Research8.1%Economics and Econometrics6.1%other fields37.9%

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

  1. 1Artificial Intelligence25% of their works
  2. 2Computational Theory and Mathematics23% of their works
  3. 3Management Science and Operations Research8% of their works
  4. 4Economics and Econometrics6% of their works
  5. 5Information Systems6% of their works
  6. 6Mathematical Physics4% of their works

Research topics

Which keywords describe Petr Hájek's research?

The keywords of their largest research topics: Fuzzy Logic, Granular Computing, Residuated Lattices, Rough Sets, Answer Set Programming, Modal Logic, Machine Learning and Neural Networks.

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 19 words, with their numbers
  1. Fuzzy Logic191 topic
  2. Granular Computing191 topic
  3. Residuated Lattices191 topic
  4. Rough Sets191 topic
  5. Answer Set Programming151 topic
  6. Modal Logic151 topic
  7. Machine Learning142 topics
  8. Neural Networks112 topics
  9. Support Vector Machines112 topics
  10. Analytic Hierarchy Process91 topic
  11. TOPSIS91 topic
  12. Fuzzy Logic Systems81 topic
  13. Type-2 Fuzzy Sets81 topic
  14. Banach Spaces71 topic
  15. Operators71 topic
  16. Bankruptcy Prediction61 topic
  17. Credit Scoring61 topic
  18. Stock Market Prediction51 topic
  19. Time Series Forecasting51 topic

Where does Petr Hájek work?

Petr Hájek's main affiliation in the publication record is University of Pardubice, Czechia.

How many publications and citations does Petr Hájek have?

Science Explorer counts 147 works and 497 citations for Petr Hájek, ranking #342,310 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.

Other researchers named Petr Hájek

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