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Proceedings of the American Mathematical Society
ISSN 1088-6826 (e) ISSN 0002-9939 (p)
     

Some applications of the Adams-Kechris technique

Author(s): Su Gao
Journal: Proc. Amer. Math. Soc. 130 (2002), 863-874.
MSC (1991): Primary 03E15
Posted: June 20, 2001
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Abstract | References | Similar articles | Additional information

Abstract: We analyze the technique used by Adams and Kechris (2000) to obtain their results about Borel reducibility of countable Borel equivalence relations. Using this technique, we show that every $\boldsymbol{\Sigma}^1_1$ equivalence relation is Borel reducible to the Borel bi-reducibility of countable Borel equivalence relations. We also apply the technique to two other classes of essentially uncountable Borel equivalence relations and derive analogous results for the classification problem of Borel automorphisms.


References:

1.
S. ADAMS AND A. S. KECHRIS, Linear algebraic groups and countable Borel equivalence relations, J. Amer. Math. Soc. 13 (2000), 909-943. CMP 2000:16

2.
H. BECKER AND A. S. KECHRIS, The descriptive set theory of Polish group actions, London Mathematical Society Lecture Notes Series 232, Cambridge University Press, 1996. MR 98d:54068

3.
J. D. CLEMENS, Borel automorphisms, handwritten notes, 1999.

4.
S. EIGEN, A. HAJIAN, AND B. WEISS, Borel automorphisms with no finite invariant measure, Proc. Amer. Math. Soc. 126 (1998), no. 12, 3619-3623. MR 99b:28024

5.
I. FARAH, Ideals induced by Tsirelson submeasures, Fund. Math. 159 (1999), no. 3, 243-258. CMP 99:11

6.
I. FARAH, Basis problem for turbulent actions I: Tsirelson submeasures, Annals of Pure and Applied Logic, to appear.

7.
G. HJORTH, Classification and orbit equivalence relations, Mathematical Surveys and Monographs, vol. 75, American Mathematical Society, 2000. MR 2000k:03097

8.
G. HJORTH AND A. S. KECHRIS, The complexity of the classification of Riemann surfaces and complex manifolds, Illinois J. Math. 44 (2000), no. 1, 104-137. MR 2000m:03115

9.
A. S. KECHRIS, Classical descriptive set theory, Springer-Verlag, New York, 1995. MR 96e:03057

10.
A. LOUVEAU AND B. VELICKOVIC, A note on Borel equivalence relations, Proc. Amer. Math. Soc. 120 (1994), no. 1, 255-259. MR 94f:54076

11.
B. VELICKOVIC, A note on Tsirelson type ideals, Fund. Math. 159 (1999), no. 3, 259-268. MR 2000f:03142


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Additional Information:

Su Gao
Affiliation: Department of Mathematics, California Institute of Technology, Pasadena, California 91125
Email: sugao@its.caltech.edu

DOI: 10.1090/S0002-9939-01-06082-8
PII: S 0002-9939(01)06082-8
Keywords: Borel equivalence relations, Borel (bi-)reducibility
Received by editor(s): February 10, 2000
Received by editor(s) in revised form: August 13, 2000 and August 23, 2000
Posted: June 20, 2001
Communicated by: Carl G. Jockusch, Jr.
Copyright of article: Copyright 2001, American Mathematical Society


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