Sy Friedman

Sy Friedman

Infobox_Scientist
name = Sy-David Friedman


image_width = 300px
caption = Professor Sy Friedman before a lecture during "The First European Set Theory Meeting", Będlewo (Poland), July 2007
birth_date = Birth date and age|1953|5|6
birth_place = Chicago
residence = Vienna, Austria
nationality = USA, flagicon|Austria Austria
ethnicity =
field = Mathematician
work_institution = University of Vienna
alma_mater = MIT
doctoral_advisor = Gerald E. Sacks
doctoral_students =
known_for = Mathematical logic, Set theory, Large cardinal property
prizes =
footnotes =

Sy-David Friedman (born on May 23 1953 in Chicago) is an American and Austrian mathematician and a professor of mathematics at the University of Vienna and the 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 mathematician Harvey Friedman.

Biography

He studied in Northwestern University and, from 1970, in Massachusetts Institute of Technology. He received his Ph.D. in 1976 from MIT (his thesis "Recursion on Inadmissible Ordinals" was written under the supervision of Gerald E. Sacks).

In 1979 Sy Friedman accepted a position at MIT, in 1990 became a full professor there. Since 1999 he is a professor of mathematical logic in the University of Vienna.

elected publications and results

He authored about 70 research articles, including:
*cite journal|title=Negative solutions to Post's problem. II|author=Friedman, Sy D.|journal=Ann. Math. (2)|volume=113|year=1981|issue=1|pages=25-43
*cite journal|title=A guide to "Coding the Universe" by Beller, Jensen, Welch|author=Friedman, Sy|journal=Journal of Symbolic Logic|volume=50|year=1985|issue=4|pages=1002-1019
*cite journal|title=The Pi^1_2-singleton conjecture|author= Friedman, Sy D.|journal= J. Amer. Math. Soc.|volume=3|year=1990|issue=4|pages=771-791
*cite journal|title=Genericity and large cardinals|author= Friedman, Sy D|journal=J. Math. Log. |year=2005|volume=5|issue=2|pages=149-166

He also published a research monograph
*cite book|last=Friedman|first=Sy D.|title= Fine structure and class forcing|publisher= Walter de Gruyter & Co. | series=de Gruyter Series in Logic and its Applications|volume =3|place=Berlin|year=2000|isbn=3-11-016777-8

External links

*MathGenealogy|id=62291


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