# Jaroslav Nešetřil

> Czech mathematician, university educator and artist

**Wikidata**: [Q956806](https://www.wikidata.org/wiki/Q956806)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Jaroslav_Nešetřil)  
**Source**: https://4ort.xyz/entity/jaroslav-nesetril

## Summary  
Jaroslav Nešetřil (born 13 March 1946 in Brno) is a Czech mathematician, university professor and painter. He is a leading figure in combinatorics and graph theory, recognized for his extensive research, mentorship of many doctoral students, and membership in prestigious academies such as Academia Europaea.

## Biography  
- **Born:** 13 March 1946, Brno, Czech Republic  
- **Nationality:** Czech Republic  
- **Education:** Diplom, Faculty of Mathematics and Physics, Charles University (1964 – 1970)  
- **Known for:** Foundational contributions to combinatorics, graph theory, and discrete mathematics; prolific author and mentor; also active as a painter.  
- **Employer(s):** Charles University; Faculty of Mathematics and Physics, Charles University (current)  
- **Field(s):** Combinatorics, graph theory, discrete mathematics, geometry, topology  

## Contributions  
Jaroslav Nešetřil has authored a large body of research papers that have shaped modern combinatorics and graph theory. His work on graph homomorphisms, structural graph theory, and Ramsey theory is widely cited and has influenced both theoretical developments and algorithmic applications. He served on the editorial board of the *European Journal of Combinatorics*, guiding the publication of cutting‑edge results in the field. As a doctoral advisor, he supervised a generation of scholars—including Robin Thomas, Jan Kratochvíl, and Robert Šámal—who have themselves become prominent researchers. Nešetřil’s interdisciplinary interests extend to the visual arts; he is an accomplished painter whose exhibitions complement his scientific profile. His contributions have earned him the Czech Medal of Merit (2010) and the Neuron Prize for Lifelong Contribution to Science (2010), underscoring his impact on Czech science and beyond.

## FAQs  
### Q: What are Jaroslav Nešetřil’s main research areas?  
A: He specializes in combinatorics, graph theory, discrete mathematics, geometry, and topology.  

### Q: Has Jaroslav Nešetřil received any notable awards?  
A: Yes. He received the Czech Medal of Merit (28 Oct 2010), the Neuron Prize for Lifelong Contribution to Science (2010), and an honorary doctorate from the University of Bordeaux‑I (2009).  

### Q: Is Jaroslav Nešetřil also an artist?  
A: Yes. In addition to his mathematical work, he is an active painter and has exhibited his artwork publicly.

## Why They Matter  
Nešetřil’s research has fundamentally advanced the understanding of graph structures and combinatorial principles, providing tools that are now standard in both pure and applied mathematics. His mentorship has produced a lineage of scholars who continue to expand the field, amplifying his influence across generations. Membership in Academia Europaea and other learned societies reflects his standing in the international community. Without his contributions, many modern results in graph homomorphisms and Ramsey theory would have emerged later or taken different forms, slowing progress in related algorithmic and theoretical domains.

## Notable For  
- Recipient of the Czech Medal of Merit (2010) and the Neuron Prize for Lifelong Contribution to Science (2010).  
- Member of Academia Europaea (Mathematics section, since 2012) and the Learned Society of the Czech Republic (regular fellow, since 2004).  
- Holds an Erdős number of 1 (recorded in 1983).  
- Served on the editorial board of the *European Journal of Combinatorics*.  
- Recognized as both a mathematician and a painter, bridging science and art.

## Body  

### Early Life and Education  
- Born in Brno, Czechoslovakia (now Czech Republic) on 13 March 1946.  
- Completed a Diplom at the Faculty of Mathematics and Physics, Charles University, studying from September 1964 to June 1970.  

### Academic Career  
- Joined Charles University, eventually becoming a professor in the Faculty of Mathematics and Physics.  
- Holds positions at both the university and its Faculty of Mathematics and Physics, reflecting a long‑term affiliation.  

### Research Contributions  
- Focuses on combinatorics, graph theory, discrete mathematics, geometry, and topology.  
- Published extensively on graph homomorphisms, structural graph theory, and Ramsey theory.  
- Editorial role: Member of the editorial board of the *European Journal of Combinatorics*, influencing the dissemination of high‑impact research.  

### Mentorship  
- Doctoral advisor to prominent mathematicians such as Robin Thomas, Jan Kratochvíl, Igor Kriz, Martin Loebl, Robert Šámal, Pavel Valtr, Martin Klazar, Svatopluk Poljak, Jiří Otta, and Jana Maxová.  
- His students have continued to expand the fields of combinatorics and theoretical computer science worldwide.  

### Artistic Work  
- In addition to his scientific pursuits, Nešetřil is an active painter.  
- His artwork has been exhibited, demonstrating a rare blend of mathematical rigor and creative expression.  

### Honors and Memberships  
- **Awards:** Czech Medal of Merit (2010), Neuron Prize for Lifelong Contribution to Science (2010), honorary doctorate from University of Bordeaux‑I (2009).  
- **Academia Memberships:** Academia Europaea (Mathematics section, since 2012), North Rhine‑Westphalia Academy for Sciences and Arts, Learned Society of the Czech Republic (regular fellow, since 2004).  
- **Erdős Number:** 1, indicating direct collaboration with Paul Erdős in 1983.  

### Professional Presence  
- Personal webpages: English – <http://kam.mff.cuni.cz/~nesetril/en/>; Czech – <https://iuuk.mff.cuni.cz/~nesetril/cz/>.  
- Residence: Prague, Czech Republic.  

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## References

1. Czech National Authority Database
2. [Nešetřil Jaroslav. Learned Society of the Czech Republic](https://www.learned.cz/cz/clenove-ucene-spolecnosti/radni-clenove-ucene-spolecnosti/nesetril-jaroslav.html)
3. The Fine Art Archive
4. Regional Database of the Central Bohemian Research Library in Kladno
5. BnF authorities
6. Integrated Authority File
7. [Source](https://www.sciencedirect.com/journal/european-journal-of-combinatorics/about/editorial-board)
8. [IS VaVaI](https://api.isvavai.cz/)
9. [Source](http://www.hrad.cz/cs/pro-media/tiskove-zpravy/6742.shtml)
10. [prof. RNDr. Jaroslav Nešetřil, DrSc.. Neuron Foundation for the Support of Science](https://www.nfneuron.cz/person/jaroslav-nesetril)
11. Reconnaissance. Sud-Ouest. 2009
12. Mathematics Genealogy Project
13. International Standard Name Identifier
14. Virtual International Authority File
15. CiNii Research
16. www.ae-info.org
17. Freebase Data Dumps. 2013
18. [ORCID Public Data File 2020](https://pub.orcid.org/v3.0_rc1/0000-0002-5133-5586/external-identifiers/786423)
19. [ORCID Public Data File 2020](https://pub.orcid.org/v3.0_rc1/0000-0002-5133-5586/external-identifiers/1081520)
20. Bibliography of the History of the Czech Lands