Authors
Citation
As. Kechris, ON THE CONCEPT OF II-1(1)-COMPLETENESS, Proceedings of the American Mathematical Society, 125(6), 1997, pp. 1811-1814
Citations number
2
Categorie Soggetti
Mathematics, General",Mathematics,Mathematics
Journal title
ISSN journal
00029939
Volume
125
Issue
6
Year of publication
1997
Pages
1811 - 1814
Database
ISI
SICI code
0002-9939(1997)125:6<1811:OTCOI>2.0.ZU;2-M
Abstract
It is shown that two natural notions of completeness for cc-analytic s
ets in Polish spaces, one in terms of continuous reductions and the ot
her in terms of Borel reductions, coincide. The proof uses methods of
effective descriptive set theory.