2026 Petr Hájek: Mathematics Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	National Ranking	Publications	Citations
Mathematics	55	772	6	387	19370

Discipline name

D-Index

World Ranking

National Ranking

Publications

Citations

Mathematics

772

387

19370

Research.com Recognitions

2023 - Research.com Mathematics in Czechia Leader Award

Overview

Petr Hájek was affiliated with the Czech Academy of Sciences in the Czech Republic. Their research spanned several domains within Computer Science and Mathematics, with a primary focus on artificial intelligence, economics and econometrics, mathematical physics, management science and operations research, and applied mathematics.

The scientist's main fields of study included:

Computer Science (86 publications)
Mathematics (68 publications)

Key subfields of study were:

Artificial Intelligence (53 publications)
Economics and Econometrics (34 publications)
Mathematical Physics (31 publications)
Management Science and Operations Research (21 publications)
Applied Mathematics (21 publications)

Hájek focused on multiple research topics such as:

Advanced Banach Space Theory (50 publications)
Market Dynamics and Volatility (28 publications)
Stock Market Forecasting Methods (26 publications)
Financial Distress and Bankruptcy Prediction (22 publications)
Imbalanced Data Classification Techniques (20 publications)
Sentiment Analysis and Opinion Mining (18 publications)
Energy, Environment, Economic Growth (16 publications)

Their frequent co-authors included Mohammad Zoynul Abedin, Michal Munk, Tommaso Russo, Jean-Michel Sahut, and Ahmed Bouteska.

Hájek published extensively in several venues, among which the most frequent were:

arXiv (Cornell University) - 15 publications
Annals of Operations Research - 9 publications
Research in International Business and Finance - 6 publications
Procedia Computer Science - 5 publications
Journal of Mathematical Analysis and Applications - 5 publications

Recent papers authored by Hájek included:

"Fake consumer review detection using deep neural networks integrating word embeddings and emotion mining" (2020), published in Neural Computing and Applications
"Fraud Detection in Mobile Payment Systems using an XGBoost-based Framework" (2022), published in Information Systems Frontiers
"Recent developments in smart city assessment: A bibliometric and content analysis-based literature review" (2022), published in Cities

Other notable research works within the recent period not directly authored by Hájek but appearing in the referenced data included:

"Deep learning-based exchange rate prediction during the COVID-19 pandemic" (2021), published in Annals of Operations Research
"A Systematic Review of Blockchain Applications" (2022), published in IEEE Access

Best Publications

Metamathematics of Fuzzy Logic

Petr Hájek

5668
Citations
Metamathematics of First-Order Arithmetic

Petr Hájek;Pavel Pudlák

1146
Citations
Functional Analysis and Infinite-Dimensional Geometry

Marián Fabian;Petr Habala;Petr Hájek;Vicente Montesinos Santalucía

925
Citations
Banach space theory : the basis for linear and nonlinear analysis

Marián J. Fabian;Petr Habala;Petr Hájek;Vicente Montesinos

717
Citations
Banach Space Theory

Marián Fabian;Petr Habala;Petr Hájek;Vicente Montesinos

559
Citations
Mechanizing Hypothesis Formation: Mathematical Foundations for a General Theory

Petr Hájek;Tomáš Havránek

443
Citations
Discussion: Terminological difficulties in fuzzy set theory---The case of “Intuitionistic Fuzzy Sets”

Didier Dubois;Siegfried Gottwald;Petr Hajek;Janusz Kacprzyk

426
Citations
Terminological Difficulties in Fuzzy Set Theory—The Case of “Intuitionistic Fuzzy Sets”

Didier Dubois;Siegfried Gottwald;Petr Hajek;Janusz Kacprzyk

392
Citations
Biorthogonal Systems in Banach Spaces

Petr Hájek;Václav Zizler;Jon Vanderwerff;Vicente Montesinos Santalucía

353
Citations
Mining corporate annual reports for intelligent detection of financial statement fraud A comparative study of machine learning methods

Petr Hajek;Roberto Henriques

334
Citations
Residuated fuzzy logics with an involutive negation

Francesc Esteva;Lluís Godo;Petr Hájek;Mirko Navara

317
Citations
Basic fuzzy logic and BL-algebras II

Petr Hájek

287
Citations
A complete many-valued logic with product-conjunction

Petr Hájek;Lluis Godo;Francesc Esteva

265
Citations
Making fuzzy description logic more general

Petr Hájek

235
Citations
The GUHA method of automatic hypotheses determination

Petr Hájek;Ivan Havel;Metodej K. Chytil

225
Citations
On very true

Petr Hájek

215
Citations
Knowledge-Driven versus Data-Driven Logics

Didier Dubois;Petr Hájek;Henri Prade

187
Citations
Two-stage consumer credit risk modelling using heterogeneous ensemble learning

Monika Papouskova;Petr Hajek

176
Citations
Observations on non-commutative fuzzy logic

P. Hájek

169
Citations
On Theories and Models in Fuzzy Predicate Logics

Petr Hájek;Petr Cintula

161
Citations
Hoops and Fuzzy Logic

Francesc Esteva;Lluís Godo;Petr Hájek;Franco Montagna

159
Citations
Handbook of mathematical fuzzy logic

Petr Cintula;Petr Hájek;Carles Noguera

159
Citations

Frequent Co-Authors

Pavel Pudlák Czech Academy of Sciences

Samuel R. Buss University of California, San Diego

Lluís Godo Spanish National Research Council

Francesc Esteva Spanish National Research Council

Franco Montagna University of Siena

Henri Prade Paul Sabatier University

Didier Dubois Paul Sabatier University

Richard M. Aron Kent State University

Vilém Novák University of Ostrava

Jan Desmyter Rega Institute for Medical Research

External Links

Wikipedia of Petr Hájek Google Scholar page

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