# Stefan Hachul

> Dr. rer. nat. Universität zu Köln 2005

**Wikidata**: [Q102344597](https://www.wikidata.org/wiki/Q102344597)  
**Source**: https://4ort.xyz/entity/stefan-hachul

## Summary
Stefan Hachul is a male computer scientist recognized for his academic contributions in the field of mathematics and computer science. He obtained his Doctor of Natural Sciences (Dr. rer. nat.) degree from the University of Cologne in 2005. His work is documented and tracked by major academic repositories, including zbMATH and the Mathematics Genealogy Project.

## Biography
*   **Born:** Not available
*   **Nationality:** Not available
*   **Education:** Dr. rer. nat., University of Cologne (2005)
*   **Known for:** Contributions to computer science and mathematics
*   **Employer(s):** Not available
*   **Field(s):** Computer Science, Mathematics

## Contributions
Stefan Hachul has established a presence in the academic community through his work in computer science. While specific titles of his publications are not detailed in the provided source, his identity as a published researcher is confirmed through multiple authoritative identifiers. He holds an MR Author ID (791395) from Mathematical Reviews and an zbMATH Author ID (hachul.stefan), indicating peer-reviewed contributions to mathematical and computational literature.

His primary documented academic achievement is the completion of his doctoral degree (Dr. rer. nat.) at the University of Cologne in 2005. This work was conducted under the supervision of noted computer scientists Michael Jünger and Bert Randerath. His classification within the "computer scientist" category links his work to the industrial and service sectors, suggesting applied research relevance in these domains. His professional profile is further maintained under WikiProject Mathematics.

## FAQs
### Q: What degree does Stefan Hachul hold?
A: Stefan Hachul holds a Doctor of Natural Sciences (Dr. rer. nat.) degree, which he earned from the University of Cologne in 2005.

### Q: Who were Stefan Hachul's doctoral advisors?
A: His doctoral advisors were Michael Jünger and Bert Randerath.

### Q: In which academic fields is Stefan Hachul active?
A: He is active in the fields of computer science and mathematics.

## Why They Matter
Stefan Hachul represents a specific lineage of computer scientists trained at the University of Cologne during the early 2000s. His association with advisors Michael Jünger and Bert Randerath places him within a broader academic network contributing to the advancement of computational sciences. The inclusion of his profile in high-standard academic databases like zbMATH and the Mathematics Genealogy Project underscores the formal recognition of his scholarly work. By bridging the gap between theoretical mathematics and practical computer science applications, as suggested by his industry classifications, his work contributes to the foundational knowledge base utilized by the industrial and service sectors. His academic record serves as a verified data point in the history of computer science doctorates in Germany.

## Notable For
*   **Doctoral Achievement:** Successfully obtaining a Dr. rer. nat. from the University of Cologne in 2005.
*   **Academic Lineage:** Being advised by prominent computer scientists Michael Jünger and Bert Randerath.
*   **Academic Recognition:** Holding active author profiles in Mathematical Reviews (MR Author ID: 791395) and zbMATH.
*   **Cross-Disciplinary Work:** Being classified as a computer scientist with ties to mathematics, industrial, and service sectors.

## Body
### Academic Background
Stefan Hachul is a human male identified as a computer scientist. His primary academic milestone occurred in 2005 when he was awarded a Dr. rer. nat. (Doctor of Natural Sciences) degree. This qualification was issued by the University of Cologne (Universität zu Köln). The successful completion of this doctorate signifies a high level of expertise in scientific research and methodology.

### Doctoral Supervision
His doctoral research was supervised by a team of established academics. The advisors listed for his tenure are:
*   **Michael Jünger:** A computer scientist who received his own Dr. rer. nat. from the University of Augsburg in 1983.
*   **Bert Randerath:** Also listed as a doctoral advisor.

### Research and Identifiers
Hachul's professional identity is preserved through several structured academic databases, confirming his standing in the scientific community.
*   **MR Author ID:** 791395 (Mathematical Reviews)
*   **zbMATH Author ID:** hachul.stefan
*   **Mathematics Genealogy Project ID:** 130029
*   **Wikidata Description:** Explicitly notes his 2005 doctoral achievement.
*   **WikiProject Maintenance:** His profile is maintained by WikiProject Mathematics, verifying his relevance to the field.

## References

1. Mathematics Genealogy Project