Axel Thue
{{Short description|Norwegian mathematician (1863–1922)}}
{{otheruses|Axel Thue (actor)}}
{{Infobox scientist
| name = Axel Thue
| image = Axel Thue.jpg
| image_size = 250px
| caption = Axel Thue (1863-1922)
| birth_date = {{birth date|1863|2|19|df=y}}
| birth_place = Tønsberg, Norway
| nationality = Norwegian
| death_date = {{death date and age|1922|3|7|1863|2|19|df=y}}
| field = Mathematician
| work_institution = University of Kristiania
Trondheim Technical College
| alma_mater = University of Kristiania
| thesis_title =
| thesis_url =
| thesis_year = 1889
| doctoral_advisor = Elling Holst
| doctoral_students = Thoralf Skolem
| known_for = Thue equation
Thue problem
Thue's lemma
Thue's theorem
Thue–Morse sequence
Thue–Siegel–Roth theorem
{{no wrap|Prouhet–Thue–Morse constant}}
| prizes = Fridtjof Nansen Prize (1913)
| religion =
}}
Axel Thue ({{IPA|no|tʉː|lang}}; 19 February 1863 – 7 March 1922) was a Norwegian mathematician, known for his original work in diophantine approximation and combinatorics.
Work
Thue published his first important paper in 1909.{{MacTutor Biography|id=Thue}}
He stated in 1914 the so-called word problem for semigroups or Thue problem, closely related to the halting problem.Ronald V. Book and Friedrich Otto, String-rewriting Systems, Springer, 1993, {{isbn|0-387-97965-4}}, p. 36.
His only known PhD student was Thoralf Skolem.
The esoteric programming language Thue is named after him.
Publications
- {{Citation | last1=Thue | first1=A. | title=Über Annäherungswerte algebraischer Zahlen | url=http://resolver.sub.uni-goettingen.de/purl?PPN243919689_0135 | year=1909 | journal=Journal für die reine und angewandte Mathematik | issn=0075-4102 | volume=1909 | issue=135 | pages=284–305 | doi=10.1515/crll.1909.135.284| s2cid=125903243 | url-access=subscription }}
- {{Citation | last1=Thue | first1=A. | title=Über die gegenseitige Lage gleicher Teile gewisser Zeichenreihen | url=https://books.google.com/books?id=I0KFXwAACAAJ | year=1977 |orig-year= 1912 | journal= Selected Math. Papers of Axel Thue, Universiteitsforlaget | pages=67 }}
See also
- {{annotated link|Thue equation}}
- {{annotated link|Thue number}}
- {{annotated link|Thue's lemma}}
- {{annotated link|Semi-Thue system}}
- {{annotated link|Thue–Morse sequence}}
- {{annotated link|Roth's theorem}}
- {{annotated link|Plastic ratio}}
- {{annotated link|Word problem for groups}}
References
{{reflist}}
External links
- [http://arkivportalen.no/side/arkiv/detaljer?arkivId=no-NTNU_arkiv000000001001 Axel Thue private archive] exists at NTNU University Library [https://www.ntnu.no/ub/bibliotek/dora Dorabiblioteket]
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{{DEFAULTSORT:Thue, Axel}}
Category:20th-century Norwegian mathematicians
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