Sy-David Friedman | |
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| Born | May 6, 1953 |
| Nationality | American/Austrian |
| Alma mater | MIT |
| Known for | Mathematical logic, Set theory, Large cardinal property |
| Scientific career | |
| Fields | Mathematician |
| Institutions | University of Vienna |
| Doctoral advisor | Gerald E. Sacks |
Sy-David Friedman (born May 23, 1953, in Chicago) is an American and Austrian mathematician and a (retired) professor of mathematics at the University of Vienna and the former director of the Kurt Gödel Research Center for Mathematical Logic. His main research interest lies in mathematical logic, in particular in set theory and recursion theory.
Friedman is the brother of Ilene Friedman and the brother of mathematician Harvey Friedman.