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Researcher · University of Pardubice · Czechia

Petr Hájek

Petr Hájek publishes mostly in Artificial Intelligence, Computational Theory and Mathematics and Mathematical Physics, on topics such as Advanced Banach Space Theory, Advanced Algebra and Logic and Rough Sets and Fuzzy Logic.

ORCID 0000-0001-5579-1215 OpenAlex
World rank
#179,348
of 7,710,434 ranked researchers
Rank in Czechia
#236
of 39,303
Works
600
Citations
17k
Citations per work
28.9
h-index
60
i10-index 233Top 0.5% in Artificial Intelligence
Petr Hájek

What does Petr Hájek research?

Petr Hájek's work is mostly in Computer Science (36%), Mathematics (16%), Economics, Econometrics and Finance (6%).

Physical Sciences: 311 works · 51.9% of their workComputer Science: 218 works · 36.4% of their workArtificial Intelligence: 119 works · 19.8% of their workComputational Theory and Mathematics: 100 works · 16.6% of their workMathematics: 93 works · 15.5% of their workMathematical Physics: 59 works · 9.8% of their workApplied Mathematics: 34 works · 5.7% of their workEverything else: 215 works · 35.8% of their workSocial Sciences: 74 works · 12.3% of their workEconomics, Econometrics and Finance: 38 works · 6.4% of their workEconomics and Econometrics: 38 works · 6.4% of their workDecision Sciences: 35 works · 5.9% of their workManagement Science and Operations Research: 35 works · 5.9% of their workTHEIR WORKPetr Hájek600works
Physical Sciences52%Social Sciences12%

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 Science21836.4%
    2. Mathematics9315.5%
  2. Everything else21535.8%
    1. Economics, Econometrics and Finance386.4%
    2. Decision Sciences355.9%
  1. 1Artificial Intelligence20% of their works
  2. 2Computational Theory and Mathematics17% of their works
  3. 3Mathematical Physics10% of their works
  4. 4Economics and Econometrics6% of their works
  5. 5Management Science and Operations Research6% of their works
  6. 6Applied Mathematics6% of their works

Research topics

Which keywords describe Petr Hájek's research?

The keywords of their largest research topics: Holomorphic Functions, Banach Spaces, Operators, Fuzzy Logic, Residuated Lattices, Granular Computing, Rough Sets and Answer Set Programming.

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 17 words, with their numbers
  1. Holomorphic Functions1652 topics
  2. Banach Spaces1201 topic
  3. Operators1201 topic
  4. Fuzzy Logic1071 topic
  5. Residuated Lattices1071 topic
  6. Granular Computing941 topic
  7. Rough Sets941 topic
  8. Answer Set Programming811 topic
  9. Modal Logic811 topic
  10. Composition Operators451 topic
  11. Fuzzy Logic Systems451 topic
  12. Type-2 Fuzzy Sets451 topic
  13. Weighted Spaces451 topic
  14. Analytic Hierarchy Process431 topic
  15. TOPSIS431 topic
  16. Stock Market Prediction341 topic
  17. Time Series Forecasting341 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?

OpenAlex counts 600 works and 17,329 citations for Petr Hájek, an h-index of 60, ranking #179,348 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.

Other researchers named Petr Hájek

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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