Available in electronic format
Available in print format
Proceedings of the American Mathematical Society
Proceedings of the American Mathematical Society
ISSN 1088-6826 (e) ISSN 0002-9939 (p)
     

Polishness of the Wijsman topology revisited

Author(s): László Zsilinszky
Journal: Proc. Amer. Math. Soc. 126 (1998), 3763-3765.
MSC (1991): Primary 54B20
Retrieve article in: PDF
This article is available free of charge

Abstract | References | Similar articles | Additional information

Abstract: Let $X$ be a completely metrizable space. Then the space of nonempty closed subsets of $X$ endowed with the Wijsman topology is $\alpha $-favorable in the strong Choquet game. As a consequence, a short proof of the Beer-Costantini Theorem on Polishness of the Wijsman topology is given.


References:

[Be1]
G.Beer, A Polish topology for the closed subsets of a Polish space, Proc. Amer. Math. Soc. 113 (1991), 1123-1133. MR 92c:54009

[Be2]
G.Beer, Topologies on Closed and Closed Convex Sets, Kluwer, Dordrecht, 1993. MR 95k:49001

[Co1]
C.Costantini, Every Wijsman topology relative to a Polish space is Polish, Proc. Amer. Math. Soc. 123 (1995), 2569-2574. MR 95j:54012

[Co2]
C.Costantini, On the hyperspace of a non-separable metric space, Proc. Amer. Math. Soc., to appear.

[Ch]
G.Choquet, Lectures on Analysis I., Benjamin, New York, 1969. MR 40:3252

[CLZ]
C.Costantini-S.Levi-J.Zieminska, Metrics that generate the same hyperspace convergence, Set-Valued Analysis 1 (1993), 141-157. MR 94h:54010

[De]
G.Debs, Espaces héréditairement de Baire, Fund. Math. 129 (1988), 199-206. MR 90a:54082

[Ke]
A.S.Kechris, Classical Descriptive Set Theory, Springer, New York, 1995. MR 96e:03057

[LL]
A.Lechicki-S.Levi, Wijsman convergence in the hyperspace of a metric space, Boll. Un. Mat. Ital. (7) B.1 (1987), 439-451. MR 88e:54007

[Zs]
L.Zsilinszky, Baire spaces and hyperspace topologies, Proc. Amer. Math. Soc. 124 (1996), 2575-2584. MR 96j:54017


Similar Articles:

Retrieve articles in Proceedings of the American Mathematical Society with MSC (1991): 54B20

Retrieve articles in all Journals with MSC (1991): 54B20


Additional Information:

László Zsilinszky
Affiliation: Department of Mathematics, University of South Carolina, Columbia, South Carolina 29208
Address at time of publication: Department of Mathematics and Computer Science, University of North Carolina at Pembroke, Pembroke, North Carolina 28372
Email: zsilinsz@math.sc.edu, laszlo@nat.uncp.edu

DOI: 10.1090/S0002-9939-98-04526-2
PII: S 0002-9939(98)04526-2
Keywords: Wijsman topology, strong Choquet game, strong Choquet space, Polish space
Received by editor(s): January 20, 1997
Received by editor(s) in revised form: April 28, 1997
Communicated by: Alan Dow
Copyright of article: Copyright 1998, American Mathematical Society


  AMS Website Logo Small Comments: webmaster@ams.org
© Copyright 2009, American Mathematical Society
Privacy Statement
Search the AMSPowered by Google