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Proceedings of the American Mathematical Society
Proceedings of the American Mathematical Society
ISSN 1088-6826 (e) ISSN 0002-9939 (p)
     

Stable Kneser hypergraphs and ideals in $ \mathbb{N}$ with the Nikodým property

Author(s): Noga Alon; Lech Drewnowski; Tomasz Łuczak
Journal: Proc. Amer. Math. Soc. 137 (2009), 467-471.
MSC (2000): Primary 05A17, 05C15, 11B05
Posted: August 19, 2008
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Abstract: We use stable Kneser hypergraphs to construct ideals in $ \mathbb{N}$ which are not nonatomic yet have the Nikodým property.


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Additional Information:

Noga Alon
Affiliation: Schools of Mathematics and Computer Science, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv 69978, Israel - and - Institute for Advanced Study, Princeton, New Jersey 08540
Email: nogaa@tau.ac.il

Lech Drewnowski
Affiliation: Faculty of Mathematics and Computer Science, A.~ Mickiewicz University, Umultowska 87, 61-614 Poznan, Poland
Email: drewlech@amu.edu.pl

Tomasz Łuczak
Affiliation: Faculty of Mathematics and Computer Science, A.~ Mickiewicz University, Umultowska 87, 61-614 Poznan, Poland
Email: tomasz@amu.edu.pl

DOI: 10.1090/S0002-9939-08-09588-9
PII: S 0002-9939(08)09588-9
Keywords: Kneser graph, divergent series, chromatic number, Nikod\'ym property
Received by editor(s): January 22, 2008
Posted: August 19, 2008
Additional Notes: The first author is supported by the Israel Science Foundation, by a USA-Israeli BSF grant, by the Hermann Minkowski Minerva Center for Geometry at Tel Aviv University, and by the Von~Neumann Fund
The third author is supported by the Foundation for Polish Science
Communicated by: Jim Haglund
Copyright of article: Copyright 2008, American Mathematical Society
The copyright for this article reverts to public domain after 28 years from publication.


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