

Karp Prize Recipients
2008 Karp Prize
Zlil Sela, Hebrew University
The recipient of the 2008 Karp Prize is Zlil Sela for his fundamental work connecting logic with geometric group theory. Among the consequences of his work are a proof that the class of finitely generated, torsionfree hyperbolic groups is closed under elementary equivalence, and a proof that any two nonabelian free groups are elementarily equivalent.
2003 Karp Prize
Gregory Hjorth, UCLA and Alexander Kechris, Caltech
The sixth Karp Prize was awarded at the ASL Annual Meeting to Gregory Hjorth and Alexander Kechris for their recent work on Borel equivalence relations, in particular for their results on turbulence and countable Borel equivalence relations.
1998 Karp
Prize
Ehud Hrushovski, Hebrew University
The recipient of the 1998 Karp Prize of the Association for Symbolic Logic
was Ehud Hrushovski of the Hebrew University, Jerusalem, for his work
on the MordellLang Conjecture. This award was made by the Association
on recommendation of the ASL Committee on Prizes and Awards.
1993
Karp Prize
Ehud Hrushovski, MIT and Alex Wilkie, Oxford
The ASL Committee on Prizes and Awards selected Ehud Hrushovski, MIT,
and Alex Wilkie, Oxford, as the recipients of the 1993 Karp Prize.
Hrushovski was honored for his introduction of new methods in geometric
stability theory; Wilkie was honored for proving the model completeness
of the field of real numbers with the exponential function. The two prizes
were awarded at a special session at the ASL Annual Meeting in March,
at which John Baldwin and Angus Macintyre gave talks which summarized
the accomplishments for which Hrushovski and Wilkie were being honored.
1988
Karp Prize
Donald A. Martin, UCLA, John R. Steel, UCLA, and W. Hugh Woodin, University
of California, Berkeley
The ASL Committee on Prizes and Awards selected Donald A. Martin, UCLA,
John R. Steel, UCLA, and W. Hugh Woodin, University of California, Berkeley
as the recipients of the 1988 Karp Prize, "for their work establishing
from the existence of a supercompact cardinal that the Axiom of Determinacy
holds in the smallest transitive model of ZF containing all reals and
all ordinals."
1983
Karp Prize
Saharon Shelah, Hebrew University
The 1983 Karp Prize was awarded to Saharon Shelah of the Hebrew University of Jerusalem, Israel, for his work on the number of nonisomorphic models of first order theories.
1978
Karp Prize
Robert Vaught, University of California, Berkeley
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