Publications Meetings The Profession Membership Programs Math Samplings Policy & Advocacy In the News About the AMS
|
   
Mobile Device Pairing
Proceedings of the American Mathematical Society
Proceedings of the American Mathematical Society
ISSN 1088-6826(e) ISSN 0002-9939(p)

     

Monotonically countably paracompact, collectionwise Hausdorff spaces and measurable cardinals


Authors: Chris Good and Robin W. Knight
Journal: Proc. Amer. Math. Soc. 134 (2006), 591-597
MSC (2000): Primary 54C10, 54D15, 54D20, 54E20, 54E30
Posted: June 14, 2005
MathSciNet review: 2176028
Full-text PDF Free Access

Abstract | References | Similar Articles | Additional Information

Abstract: We show that, if an MCP (monotonically countably paracompact) space fails to be collectionwise Hausdorff, then there is a measurable cardinal and that, if there are two measurable cardinals, then there is an MCP space that fails to be collectionwise Hausdorff.


References

  • 1. D. Burke, $PMEA$ and first countable, countably paracompact spaces, Proc. Amer. Math. Soc., 92 (1984), 455-460. MR 0759673 (85h:54032)
  • 2. W.W. Comfort, and S. Negrepontis, The theory of ultrafilters (Springer-Verlag, Berlin, 1974). MR 0396267 (53:135)
  • 3. C. Good, R. W. Knight and I. S. Stares, Monotone Countable Paracompactness, Topol. Appl., 101 (2000), 281-298. MR 1733809 (2000k:54024)
  • 4. C. Good, D. W. McIntyre, W. S. Watson, Measurable cardinals and finite intervals between regular topologies, Topol. Appl., 123 (2002), 429-441. MR 1924043 (2003h:54001)
  • 5. C. Good and G. Ying, A note on monotone countable paracompactness, Comment. Math. Univ. Carolinae, 42 (2001), 771-778. MR 1883385 (2003a:54027)
  • 6. R. Engelking, General Topology, (Heldermann Verlag, Berlin 1989). MR 1039321 (91c:54001)
  • 7. W. G. Fleissner, The normal Moore space conjecture and large cardinals, in Handbook of set-theoretic topology, K. Kunen and J. E. Vaughan, eds. (North-Holland, Amsterdam, 1984). MR 0776635 (86m:54023)
  • 8. G. Gruenhage, Generalized metric spaces, in Handbook of set-theoretic topology, K. Kunen and J. E. Vaughan, eds. (North-Holland, Amsterdam, 1984). MR 0776629 (86h:54038)
  • 9. R. E. Hodel, Spaces defined by sequences of open covers which guarantee that certian sequences have cluster points, Proceedings of the University of Houston Point Set Topology Conference (Houston, Tex., 1971), (1971), 105-114. MR 0407810 (53:11580)
  • 10. K. Kunen, Set Theory, An Introduction to Independence Proofs, North Holland, Amsterdam (1983). MR 0756630 (85e:03003)
  • 11. A. Lévy and R. M. Solovay, Measurable cardinals and the continuum hypothesis, Israel J. Math., 5 (1967), 234-248. MR 0224458 (37:57)
  • 12. T. C. Przymusinski, Products of normal spaces, in Handbook of set-theoretic topology, K. Kunen and J. E. Vaughan, eds. (North-Holland, Amsterdam, 1984). MR 0776637 (86c:54007)
  • 13. M. E. Rudin, Dowker spaces, in Handbook of set-theoretic topology, K. Kunen and J. E. Vaughan, eds. (North-Holland, Amsterdam, 1984). MR 0776636 (86c:54018)
  • 14. W. S. Watson, Separation in countably paracompact spaces, Trans. Amer. Math. Soc., 290 (1985), 831-842. MR 0792831 (87b:54016)

Similar Articles

Retrieve articles in Proceedings of the American Mathematical Society with MSC (2000): 54C10, 54D15, 54D20, 54E20, 54E30

Retrieve articles in all journals with MSC (2000): 54C10, 54D15, 54D20, 54E20, 54E30


Additional Information

Chris Good
Affiliation: School of Mathematics and Statistics, University of Birmingham, Birmingham B15 2TT, United Kingdom
Email: c.good@bham.ac.uk

Robin W. Knight
Affiliation: Mathematical Institute, University of Oxford, 24-29 St Giles', Oxford OX1 3LB, United Kingdom
Email: knight@maths.ox.ac.uk

DOI: http://dx.doi.org/10.1090/S0002-9939-05-07965-7
PII: S 0002-9939(05)07965-7
Keywords: Monotone countable paracompactness, MCP, collectionwise Hausdorff, measurable cardinals
Received by editor(s): July 30, 2003
Received by editor(s) in revised form: September 9, 2004
Posted: June 14, 2005
Communicated by: Alan Dow
Article copyright: © Copyright 2005 American Mathematical Society
The copyright for this article reverts to public domain after 28 years from publication.




AMS and Social Media LinkedIn Facebook Podcasts Twitter YouTube RSS Feeds Blogs Wikipedia