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Icelandic mathematician (1920–2016) From Wikipedia, the free encyclopedia
Bjarni Jónsson (February 15, 1920 – September 30, 2016)[1] 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.[2][3]
Bjarni Jónsson | |
---|---|
Born | Dragháls, Iceland | February 15, 1920
Died | September 30, 2016 96) (aged 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 Frederick Galvin |
In 2012, he became a fellow of the American Mathematical Society.[4]
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.
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