
AMS Sectional Meeting Program by Special Session
Current as of Tuesday, April 12, 2005 15:08:34
Program 
Deadlines 
Inquiries: meet@ams.org
1989 Central Section Meeting
Chicago, IL, May 1920, 1989
Meeting #849
Associate secretaries: Andy R Magid, AMS amagid@ou.edu
Special Session on Recursion Theory

Friday May 19, 1989, 8:00 a.m.9:50 a.m.
Special Session on Recursion Theory, I
Room 529, Damen Hall

8:00 a.m.
Separating jump classes in the r.e. degrees I: Working below a low sub 2 r.e. degree.
Richard A. Shore*, Cornell University
Theodore A. Slaman, University of Illinois, Chicago
(8490388)

8:30 a.m.
Working below a high recursively enumerable degree.
Richard A. Shore, Cornell University
Theodore A. Slaman*, University of Chicago
(84903108)

9:00 a.m.
Some results on the structure of the Sigma sub 2 enumeration degrees.
Seema Ahmad*, Simon Fraser University
(8490397)

9:30 a.m.
Homogeneous countable models of tame theories.
Terrence Millar*, University of Wisconsin, Madison
(8490385)

Friday May 19, 1989, 2:00 p.m.3:50 p.m.
Special Session on Recursion Theory, II
Room 529, Damen Hall

2:00 p.m.
Universes for 3E.
Gerald E. Sacks*, Harvard University and Massachusets Institute of Technology
(84903109)

2:30 p.m.
The structure of degrees uniform under different equivalence relations.
Hong Ye*, University of California, Santa Barbara
(8490347)

3:00 p.m.
Priority arguments and Sigma sub 2induction.
Marcia J. Groszek*, Dartmouth College
(84903171)

3:30 p.m.
Polytime mathematics and logic.
Anil Nerode*, Cornell University
(8490394)

Saturday May 20, 1989, 8:00 a.m.9:50 a.m.
Special Session on Recursion Theory, III
Room 529, Damen Hall

8:00 a.m.
Diagonally nonrecursive functions and their generalizations.
Antonin Kucera*, Cornell University and Charles University, Prague, Czechoslovakia
(8490371)

8:30 a.m.
ngeneric degrees in nquantifier arithmetic.
Masahiro Kumabe*, University of Chicago
(84903116)

9:00 a.m.
Array nonrecursive sets. I.
Rod Downey, Victoria University of Wellington, New Zealand
Carl Jockusch, University of Illinois, UrbanaChampaign
Michael Stob*, Massachusetts Institute of Technology
(84903167)

9:30 a.m.
Array nonrecursive sets. II.
Rod Downey, Victoria University of Wellington, New Zealand
Carl Jockusch*, University of Illinois, UrbanaChampaign
Michael Stob, Massachusetts Institute of Technology
(84903169)

Saturday May 20, 1989, 2:00 p.m.3:50 p.m.
Special Session on Recursion Theory, IV
Room 529, Damen Hall

2:00 p.m.
Constructions by transfinitely many workers.
Julia F. Knight*, University of Notre Dame
(84903166)

2:30 p.m.
The lattice of ideals of R.E. degrees.
William C. Calhoun*, University of California, Berkeley
(84903131)

3:00 p.m.
Minimal degrees and recursively inseparable sets.
Manuel Lerman*, University of Connecticut, Storrs
(8490359)

3:30 p.m.
Amenable equivalence relations and Turing degrees.
Alexander S. Kechris*, California Institute of Technology
(8490376)
Inquiries: meet@ams.org

