# Vangelis Paschos

> Ph.D. National Technical University of Athens 1988

**Wikidata**: [Q33290256](https://www.wikidata.org/wiki/Q33290256)  
**Source**: https://4ort.xyz/entity/vangelis-paschos

Here’s the structured biographical entry for Vangelis Paschos based strictly on the provided source material:

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## Summary
Vangelis Paschos is a Greek computer scientist known for his contributions to theoretical computer science and operations research. He earned his Ph.D. from the National Technical University of Athens in 1988 and is affiliated with the Institut Universitaire de France. His work spans combinatorial optimization, approximation algorithms, and computational complexity.

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## Biography
- Born: May 21, 1959, in Kardítsa, Greece  
- Nationality: Greek  
- Education: Ph.D., National Technical University of Athens (1988)  
- Doctoral Advisors: Christos Papadimitriou, Andreas Georgios Stafylopatis  
- Employer(s): Institut Universitaire de France  
- Field(s): Computer science (combinatorial optimization, approximation algorithms)  

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## Contributions
Vangelis Paschos has made significant contributions to theoretical computer science, particularly in combinatorial optimization and approximation algorithms. His doctoral work under Christos Papadimitriou and Andreas Georgios Stafylopatis laid the foundation for his research in computational complexity. Paschos has published extensively, with his work cited in academic circles for advancing understanding of NP-hard problems and their approximate solutions. He has mentored doctoral students, including Ioannis Katsikarelis, and maintains an active research profile, as evidenced by his affiliations and publications indexed in databases like DBLP and zbMATH.

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## FAQs
### Q: What is Vangelis Paschos known for?  
A: He is recognized for his research in combinatorial optimization and approximation algorithms, contributing to theoretical computer science.  

### Q: Where did Vangelis Paschos earn his Ph.D.?  
A: He received his Ph.D. in 1988 from the National Technical University of Athens, supervised by Christos Papadimitriou and Andreas Georgios Stafylopatis.  

### Q: What languages does Vangelis Paschos speak?  
A: According to records, he speaks French and English.  

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## Why They Matter
Vangelis Paschos's work has influenced the field of theoretical computer science, particularly in tackling NP-hard problems through approximation algorithms. His research provides frameworks for solving complex optimization problems efficiently, impacting areas like logistics, scheduling, and resource allocation. Without his contributions, advancements in understanding computational limits and practical solutions would be less robust. His mentorship and academic leadership further amplify his impact, shaping future generations of computer scientists.

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## Notable For
- Doctoral research supervised by prominent computer scientists Christos Papadimitriou and Andreas Georgios Stafylopatis.  
- Affiliation with the Institut Universitaire de France, highlighting his academic stature.  
- Contributions to combinatorial optimization and approximation algorithms, cited in academic literature.  

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## Body
### Education  
- Ph.D. in Computer Science, National Technical University of Athens (1988).  

### Affiliations  
- Member of the Institut Universitaire de France (IUF member ID: 1381).  

### Research Focus  
- Combinatorial optimization, approximation algorithms, and computational complexity.  

### Mentorship  
- Doctoral advisor to Ioannis Katsikarelis.  

### Languages  
- Fluent in French and English.  

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## Schema Markup
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  "@type": "Person",
  "name": "Vangelis Paschos",
  "jobTitle": "Computer Scientist",
  "worksFor": {"@type": "Organization", "name": "Institut Universitaire de France"},
  "nationality": {"@type": "Country", "name": "Greece"},
  "birthDate": "1959-05-21",
  "birthPlace": "Kardítsa, Greece",
  "alumniOf": [{"@type": "EducationalOrganization", "name": "National Technical University of Athens"}],
  "knowsAbout": ["Combinatorial Optimization", "Approximation Algorithms"],
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  "description": "Greek computer scientist known for contributions to theoretical computer science and operations research."
}

## References

1. Who's Who in France
2. Integrated Authority File
3. Mathematics Genealogy Project
4. Catalog of the German National Library
5. IdRef
6. CONOR.SI
7. Virtual International Authority File