Available in electronic format
Available in print format
Transactions of the American Mathematical Society
Transactions of the American Mathematical Society
ISSN 1088-6850(e) ISSN 0002-9947(p)
     

Katetov's problem

Author(s): Paul Larson; Stevo Todorcevic
Journal: Trans. Amer. Math. Soc. 354 (2002), 1783-1791.
MSC (2000): Primary 54E35; Secondary 03E35, 03E65, 54E45
Posted: November 21, 2001
Retrieve article in: PDF
This article is available free of charge

Abstract | References | Similar articles | Additional information

Abstract: In 1948 Miroslav Katetov showed that if the cube $X^{3}$ of a compact space $X$ satisfies the separation axiom T$_{5}$ then $X$ must be metrizable. He asked whether $X^{3}$ can be replaced by $X^{2}$ in this metrization result. In this note we prove the consistency of this implication.


References:

1.
I. Farah, OCA and towers in $\mathcal{P}(\mathbb{N} )/Fin$, Comment. Math. Univ. Carolin. 37 (1996), no. 4, 861-866 MR 98f:03043

2.
D.H. Fremlin, Consequences of Martin's axiom, Cambridge Tracts in Mathematics, 84. Cambridge University Press, Cambridge-New York, 1984 MR 86i:03001

3.
S.A. Gaal, Point set topology, Pure and Applied Mathematics, Vol. XVI Academic Press, New York-London 1964 MR 30:1484

4.
G. Gruenhage, P.J. Nyikos, Normality in $X^{2}$ for compact $X$, Trans. Amer. Math. Soc. 340 (1993), no. 2, 563-586 MR 94b:54009

5.
R.W. Heath, Screenability, pointwise paracompactness and metrization of Moore spaces, Canadian J. Math. 16 (1964), 763-770 MR 29:4033

6.
J. Hirschorn, Cohen and random reals, Ph.D. Thesis, University of Toronto, 2000

7.
R.B. Jensen, R.M. Solovay, Some applications of almost disjoint sets, Mathematical Logic and Foundations of Set Theory (Proc. Internat. Colloq., Jerusalem, 1968) North-Holland, Amsterdam (1970) pp. 84-104 MR 44:6482

8.
F.B. Jones, Concerning normal and completely normal spaces, Bull. Amer. Math. Soc. 43 (1937), 671-677

9.
M. Katetov, Complete normality of Cartesian products, Fund. Math. 35, (1948) 271-274 MR 10:315h

10.
K. Kunen, Set Theory. An introduction to independence proofs, Reprint of the 1980 original. Studies in Logic and the Foundations of Mathematics, 102. North-Holland Publishing Co., Amsterdam-New York, 1983 MR 85e:03003

11.
K. Kunen, F.D. Tall, Between Martin's axiom and Souslin's hypothesis, Fund. Math. 102 (1979), no. 3, 173-181 MR 83e:03078

12.
P. Larson, An $\mathbb{S} _{max}$ variation for one Souslin tree, J. Symbolic Logic 64 (1999), 81-98 MR 2000g:03118

13.
P. Larson, S. Todorcevic, Chain conditions in maximal models, Fund. Math. 168 (2001), no. 1, 77-104

14.
R. Laver, Random reals and Souslin trees, Proc. Amer. Math. Soc. 100 (1987), no. 3, 531-534 MR 88g:03068

15.
T. Miyamoto, $\omega_{1}$-Souslin trees under countable support iterations, Fund. Math. 142 (1993), 257-261 MR 94f:03060

16.
T. Miyamoto, Iterating semiproper preorders, J. Symbolic Logic, to appear

17.
J. Moore, Ramsey theory on sets of reals, Ph. D. Thesis, University of Toronto, 2000

18.
J. Moore, A counterexample to Katetov's problem, preprint, October 2000

19.
T.C. Przymusinski, Products of normal spaces, Handbook of set-theoretic topology, 781-826, North-Holland, Amsterdam-New York, 1984 MR 86c:54007

20.
J. Roitman, Adding a random or a Cohen real: topological consequences and the effect on Martin's axiom, Fund. Math. 103 (1979), no. 1, 47-60 MR 81h:03098

21.
S. Shelah, J. Zapletal, Canonical Models for $\aleph_{1}$ Combinatorics, Annals of Pure and Applied Logic 98 (1999), 217-259 MR 2000m:03113

22.
V.E. Sneider, V. E. Continuous images of Suslin and Borel sets. Metrization theorems, (Russian) Doklady Akad. Nauk SSSR (N.S.) 50, (1945). 77-79 MR 14:782d

23.
F. Tall, Normality versus collectionwise normality, Handbook of set-theoretic topology, 685-732, North-Holland, Amsterdam-New York, 1984 MR 86m:54022

24.
S. Todorcevic, Partition problems in topology, Contemporary Mathematics, 84. American Mathematical Society, Providence, RI, 1989 MR 90d:04001

25.
S. Todorcevic, Random set-mappings and separability of compacta, Proceedings of the International Conference on Topology and its Applications (Matsuyama, 1994). Topology Appl. 74 (1996), no. 1-3, 265-274 MR 97j:03099

26.
S. Todorcevic, Chain-condition methods in topology, Topology Appl. 101 (2000), no. 1, 45-82 MR 2001a:54055

27.
W.H. Woodin, The axiom of determinacy, forcing axioms, and the nonstationary ideal, DeGruyter Series in Logic and Its Applications, vol. 1, 1999 MR 2001e:03001


Similar Articles:

Retrieve articles in Transactions of the American Mathematical Society with MSC (2000): 54E35, 03E35, 03E65, 54E45

Retrieve articles in all Journals with MSC (2000): 54E35, 03E35, 03E65, 54E45


Additional Information:

Paul Larson
Affiliation: Department of Mathematics, University of Toronto, Toronto M5S 3G3, Canada
Email: larson@math.toronto.edu

Stevo Todorcevic
Affiliation: C.N.R.S. (7056), Université Paris VII, 75251 Paris Cedex 05, France
Email: stevo@math.jussieu.fr

DOI: 10.1090/S0002-9947-01-02936-1
PII: S 0002-9947(01)02936-1
Keywords: Compactness, metrizability, T$_{5}$, forcing
Received by editor(s): November 27, 2000
Received by editor(s) in revised form: July 30, 2001
Posted: November 21, 2001
Additional Notes: This work was done while the authors were in residence at the Mittag-Leffler Institute. We thank the Institute for its hospitality.
Copyright of article: Copyright 2001, American Mathematical Society


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