Published June 1997
| Published
Journal Article
Open
On the concept of π^1_1-completeness
- Creators
-
Kechris, Alexander S.
Chicago
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Abstract
It is shown that two natural notions of completeness for co-analytic sets in Polish spaces, one in terms of continuous reductions and the other in terms of Borel reductions, coincide. The proof uses methods of effective descriptive set theory.
Additional Information
© 1997 American Mathematical Society. Received by the editors October 2, 1995 and, in revised form, January 15, 1996. Communicated by Andreas R. Blass. The author's research was partially supported by NSF Grant DMS-9317509.Attached Files
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Additional details
- Eprint ID
- 38614
- Resolver ID
- CaltechAUTHORS:20130521-135837396
- NSF
- DMS-9317509
- Created
-
2013-05-23Created from EPrint's datestamp field
- Updated
-
2021-11-09Created from EPrint's last_modified field
- Other Numbering System Name
- MathSciNet review
- Other Numbering System Identifier
- 1372034