# Kenneth Regan

> American chess player

**Wikidata**: [Q27530660](https://www.wikidata.org/wiki/Q27530660)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Kenneth_W._Regan)  
**Source**: https://4ort.xyz/entity/kenneth-regan

## Summary
Kenneth Regan is an American chess player and computer scientist who earned a Ph.D. from the University of Oxford in 1986. He is known for his contributions to computational complexity theory, informatics, and mathematics, and has held academic positions at institutions like the University at Buffalo.

## Biography
- Born: 1959-09-13
- Nationality: United States
- Education: Ph.D. in Computer Science, University of Oxford (1986)
- Known for: Research in computational complexity theory, informatics, and mathematics
- Employer(s): University at Buffalo
- Field(s): Computer science, mathematics, informatics

## Contributions
Kenneth Regan has made significant contributions to computational complexity theory and informatics. His doctoral work, supervised by Dominic Welsh, laid the foundation for his research in these areas. He has published extensively in peer-reviewed journals and conferences, focusing on the classification of computational problems and their inherent difficulty. Regan's work has influenced the field of computer science, particularly in understanding the complexity of algorithms and data structures. His research has been cited in academic literature, and he has mentored students like Arun Jagota, who have continued his work in computational complexity.

## FAQs
### Q: What is Kenneth Regan's highest chess rating?
A: Kenneth Regan's highest recorded Elo rating was 2430, achieved in 1978.

### Q: What academic institutions has Kenneth Regan been affiliated with?
A: Kenneth Regan earned his Ph.D. from the University of Oxford and is currently affiliated with the University at Buffalo.

### Q: What are Kenneth Regan's primary research areas?
A: Kenneth Regan's primary research areas include computational complexity theory, informatics, and mathematics.

### Q: Who were Kenneth Regan's doctoral students?
A: Arun Jagota is one of Kenneth Regan's doctoral students.

### Q: What awards or titles has Kenneth Regan received?
A: Kenneth Regan holds the title of International Master in chess, awarded in 1981.

## Why They Matter
Kenneth Regan's work in computational complexity theory and informatics has had a lasting impact on the field of computer science. His research has helped classify computational problems and understand their inherent difficulty, which is fundamental to the development of efficient algorithms. Regan's contributions have influenced academic research and have been cited in numerous publications. His mentorship of students like Arun Jagota has also contributed to the advancement of computational complexity theory. Without Regan's work, the field of computer science would lack a comprehensive understanding of the complexity of computational problems.

## Notable For
- International Master in chess, awarded in 1981
- Ph.D. in Computer Science from the University of Oxford (1986)
- Research in computational complexity theory and informatics
- Mentorship of Arun Jagota in computational complexity
- Contributions to the classification of computational problems

## Body
### Early Life and Education
Kenneth Regan was born on September 13, 1959. He earned his Ph.D. in Computer Science from the University of Oxford in 1986, under the supervision of Dominic Welsh. His doctoral work focused on computational complexity theory and informatics.

### Academic Career
Regan has held academic positions at the University at Buffalo, where he continues to contribute to research in computer science. His work has been published in peer-reviewed journals and conferences, focusing on the classification of computational problems and their inherent difficulty.

### Research Contributions
Regan's research in computational complexity theory has had a significant impact on the field. His work has helped classify computational problems and understand their inherent difficulty, which is fundamental to the development of efficient algorithms. His contributions have been cited in academic literature and have influenced the work of other researchers.

### Mentorship and Influence
Regan has mentored students like Arun Jagota, who have continued his work in computational complexity. His mentorship has contributed to the advancement of the field and has helped shape the careers of his students.

### Chess Career
In addition to his academic work, Regan is an International Master in chess, a title he earned in 1981. His chess career has included participation in various tournaments and competitions, where he has demonstrated his skills and expertise.

## Schema Markup
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## References

1. ratings.fide.com
2. Mathematics Genealogy Project
3. Czech National Authority Database
4. [Source](https://cse.buffalo.edu/~xinhe/Vita/vita.pdf)
5. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
6. Virtual International Authority File
7. chessgames.com
8. List of players on FIDE lists 1967-2001
9. FIDE Standard Ratings as of 31 January 2001
10. FIDE Standard Ratings as of 30 April 2001
11. FIDE Standard Ratings as of 31 July 2001
12. FIDE Standard Ratings as of 31 October 2001
13. FIDE Standard Ratings as of 31 January 2002
14. FIDE Standard Ratings as of 30 April 2002
15. FIDE Standard Ratings as of 31 July 2002
16. FIDE Standard Ratings as of 31 October 2002
17. FIDE Standard Ratings as of 31 January 2003
18. FIDE Standard Ratings as of 30 April 2003
19. FIDE Standard Ratings as of 31 July 2003
20. FIDE Standard Ratings as of 31 October 2003
21. FIDE Standard Ratings as of 31 January 2004
22. FIDE Standard Ratings as of 30 April 2004
23. FIDE Standard Ratings as of 31 July 2004
24. FIDE Standard Ratings as of 31 October 2004
25. FIDE Standard Ratings as of 31 January 2005
26. FIDE Standard Ratings as of 30 April 2005
27. FIDE Standard Ratings as of 28 February 2013
28. FIDE Standard Ratings as of 31 October 2005
29. FIDE Standard Ratings as of 31 January 2006
30. FIDE Standard Ratings as of 30 April 2006
31. FIDE Standard Ratings as of 31 July 2006
32. FIDE Standard Ratings as of 31 October 2006
33. FIDE Standard Ratings as of 31 January 2007
34. FIDE Standard Ratings as of 30 April 2007
35. FIDE Standard Ratings as of 31 July 2007
36. FIDE Standard Ratings as of 31 October 2007
37. FIDE Standard Ratings as of 31 January 2008
38. FIDE Standard Ratings as of 30 April 2008
39. FIDE Standard Ratings as of 31 July 2008
40. FIDE Standard Ratings as of 31 October 2008
41. FIDE Standard Ratings as of 31 January 2009
42. FIDE Standard Ratings as of 30 April 2009
43. FIDE Standard Ratings as of 31 July 2009
44. FIDE Standard Ratings as of 30 September 2009
45. FIDE Standard Ratings as of 30 November 2009
46. FIDE Standard Ratings as of 31 January 2010
47. FIDE Standard Ratings as of 31 March 2010
48. FIDE Standard Ratings as of 31 May 2010
49. FIDE Standard Ratings as of 31 July 2010
50. FIDE Standard Ratings as of 30 September 2010