# Dieter Kratsch

> Dr. rer. nat. Friedrich-Schiller-Universität Jena 1989

**Wikidata**: [Q102259121](https://www.wikidata.org/wiki/Q102259121)  
**Source**: https://4ort.xyz/entity/dieter-kratsch

## Summary
Dieter Kratsch is a German mathematician and computer scientist who earned his Dr. rer. nat. degree from Friedrich-Schiller-Universität Jena in 1989. He is known for his contributions to graph theory and computational complexity, particularly in the fields of cochromatic and dichromatic theory. His Erdős number is 1, reflecting his connections to influential mathematicians.

## Biography
- Born: 1959
- Nationality: Germany
- Education: Dr. rer. nat. from Friedrich-Schiller-Universität Jena (1989)
- Known for: Research in graph theory and computational complexity, particularly cochromatic and dichromatic theory
- Employer(s): Not specified in the source material
- Field(s): Mathematics, Computer Science

## Contributions
Dieter Kratsch has made significant contributions to graph theory and computational complexity. His doctoral advisors were Gerd Wechsung and Andreas Brandstädt, both prominent German computer scientists. Kratsch's work includes extremal results in cochromatic and dichromatic theory, as evidenced by his Erdős number of 1, which he achieved through his publication "Some extremal results in cochromatic and dichromatic theory" in 1991. He has also mentored other researchers, including Michaël Rao, as indicated by his role as a doctoral advisor. His research has been recognized in academic databases such as zbMATH and Mathematics Genealogy Project.

## FAQs
### Q: What is Dieter Kratsch known for?
A: Dieter Kratsch is known for his research in graph theory and computational complexity, particularly in cochromatic and dichromatic theory. He has an Erdős number of 1, indicating his connection to influential mathematicians.

### Q: Who were Dieter Kratsch's doctoral advisors?
A: Dieter Kratsch's doctoral advisors were Gerd Wechsung and Andreas Brandstädt, both German computer scientists.

### Q: What is Dieter Kratsch's Erdős number?
A: Dieter Kratsch has an Erdős number of 1, achieved through his publication "Some extremal results in cochromatic and dichromatic theory" in 1991.

### Q: Has Dieter Kratsch mentored other researchers?
A: Yes, Dieter Kratsch has mentored Michaël Rao, as indicated by his role as a doctoral advisor.

### Q: Where did Dieter Kratsch earn his doctoral degree?
A: Dieter Kratsch earned his Dr. rer. nat. degree from Friedrich-Schiller-Universität Jena in 1989.

## Why They Matter
Dieter Kratsch's work in graph theory and computational complexity has contributed to the understanding of cochromatic and dichromatic theory. His Erdős number of 1 underscores his influence within the mathematical community. By mentoring researchers like Michaël Rao, he has played a role in shaping the next generation of mathematicians and computer scientists. His publications and academic contributions have been recognized in databases such as zbMATH and Mathematics Genealogy Project, ensuring his work remains accessible and influential in the field.

## Notable For
- Erdős number of 1, achieved through his publication "Some extremal results in cochromatic and dichromatic theory" (1991)
- Doctoral advisor to Michaël Rao
- Research in cochromatic and dichromatic theory
- Contributions to graph theory and computational complexity
- Recognized in academic databases such as zbMATH and Mathematics Genealogy Project

## Body
### Education and Early Career
Dieter Kratsch earned his Dr. rer. nat. degree from Friedrich-Schiller-Universität Jena in 1989. His doctoral advisors were Gerd Wechsung and Andreas Brandstädt, both prominent figures in the field of computer science.

### Research Contributions
Kratsch's research focuses on graph theory and computational complexity, particularly in cochromatic and dichromatic theory. His work includes extremal results in these areas, as evidenced by his Erdős number of 1, which he achieved through his 1991 publication.

### Mentorship and Influence
Dieter Kratsch has mentored Michaël Rao, contributing to the development of the next generation of researchers in mathematics and computer science.

### Academic Recognition
His work has been recognized in academic databases such as zbMATH and Mathematics Genealogy Project, ensuring its relevance and impact in the field.

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## References

1. Integrated Authority File
2. IdRef
3. Mathematics Genealogy Project
4. Virtual International Authority File
5. Personal Authority Wikibase of the Czech Republic
6. [Source](https://sites.google.com/oakland.edu/grossman/home/the-erdoes-number-project/the-erdoes-number-project-data-files/erdos0d)