John Robert Steel (born October 30, 1948) is an American set theorist at University of California, Berkeley (formerly at UCLA). He has made many contributions to the theory of inner models and determinacy. With Donald A. Martin, he proved projective determinacy,[1] assuming the existence of sufficient large cardinals. He earned his Ph.D. in Logic & the Methodology of Science at Berkeley in 1977 under the joint supervision of John West Addison Jr. and Stephen G. Simpson.[2]
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Awards
In 1988, the Association for Symbolic Logic awarded him, Donald A. Martin and W. Hugh Woodin the Karp Prize for their work on the consistency of determinacy relative to large cardinals. In 2015, the European Set Theory Society awarded him and Ronald Jensen the Hausdorff Medal for their paper "K without the measurable".
In 2012, Steel held the Gödel Lecture titled The hereditarily ordinal definable sets in models of determinacy.
References
- ^ Martin, Donald A. and John R. Steel (Jan 1989). "A Proof of Projective Determinacy". Journal of the American Mathematical Society. 2 (1): 71–125. doi:10.2307/1990913. JSTOR 1990913.
- ^ John R. Steel at the Mathematics Genealogy Project
External links
- Home page at Berkeley
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This page was last edited on 15 May 2024, at 06:58