| Bjarni Jónsson | |
|---|---|
 | |
| Born | (1920-02-15)February 15, 1920 Dragháls, Iceland |
| Died | September 30, 2016(2016-09-30) (aged 96) Cincinnati, Ohio, U.S. |
| Nationality | Icelandic |
| Alma mater | University of California, Berkeley |
| Known for | Jónsson's lemma, Jónsson algebras, ω-Jónsson functions, Jónsson cardinals, Jónsson terms, Jónsson–Tarski algebras, Jónsson–Tarski duality |
| Scientific career | |
| Fields | Mathematics, logic |
| Institutions | Brown University Vanderbilt University University of Minnesota, Minneapolis |
| Doctoral advisor | Alfred Tarski |
| Doctoral students | Peter Fillmore [de] Frederick Galvin |
Bjarni Jónsson (February 15, 1920 – September 30, 2016) was an Icelandic mathematician and logician working in universal algebra, lattice theory, model theory and set theory. He was emeritus distinguished professor of mathematics at Vanderbilt University and the honorary editor in chief of Algebra Universalis. He received his PhD in 1946 at UC Berkeley under supervision of Alfred Tarski.
In 2012, he became a fellow of the American Mathematical Society.
Work
Jónsson's lemma as well as several mathematical objects are named after him, among them Jónsson algebras, ω-Jónsson functions, Jónsson cardinals, Jónsson terms, Jónsson–Tarski algebras and Jónsson–Tarski duality.
Publications
- Jónsson, Bjarni (1972), Topics in Universal Algebra, Lecture Notes in Mathematics, vol. 250, Berlin, New York: Springer-Verlag, doi:10.1007/BFb0058648, ISBN 978-3-540-05722-2, MR 0345895
References
- American Men & Women of Science - Volume 4. R.R. Bowker Company. Database Publishing Group. 2009. p. 148. ISBN 978-0787665272.
- Bjarni Jónsson at the Mathematics Genealogy Project
- Salisbury, David. "Noted algebraist Bjarni Jónsson dies". vanderbilt.edu. Retrieved 14 October 2016.
- List of Fellows of the American Mathematical Society, retrieved 2013-01-26.
Further reading
- Kirby A. Baker, Bjarni Jónsson's contributions in algebra, Algebra Universalis, September 1994, Volume 31, Issue 3, pp. 306–336.
- J. B. Nation, Jónsson's contributions to lattice theory, Algebra Universalis, September 1994, Volume 31, Issue 3, pp. 430–445.
External links
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- 1920 births
- Icelandic logicians
- Algebraists
- Lattice theorists
- 20th-century mathematicians
- University of California, Berkeley alumni
- Vanderbilt University faculty
- Fellows of the American Mathematical Society
- 20th-century Icelandic philosophers
- 2016 deaths
- European mathematician stubs
- Icelandic people stubs
- European scientist stubs
- Brown University faculty
- Icelandic expatriates in the United States