The additivity of porosity ideals
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- by Jörg Brendle PDF
- Proc. Amer. Math. Soc. 124 (1996), 285-290 Request permission
Abstract:
We show that several $\sigma$-ideals related to porous sets have additivity $\omega _1$ and cofinality $2^\omega$. This answers a question addressed by Miroslav Repický.References
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Additional Information
- Jörg Brendle
- Affiliation: Department of Mathematics, Bar-Ilan University, 52900 Ramat-Gan, Israel
- Address at time of publication: Mathematisches Institut der Universität Tübingen, Auf der Morgenstelle 10, 72076 Tübingen, Germany
- Email: jobr@michelangelo.mathematik.uni-tuebingen.de
- Received by editor(s): June 22, 1993
- Received by editor(s) in revised form: July 15, 1994
- Communicated by: Andreas R. Blass
- © Copyright 1996 American Mathematical Society
- Journal: Proc. Amer. Math. Soc. 124 (1996), 285-290
- MSC (1991): Primary 03E05
- DOI: https://doi.org/10.1090/S0002-9939-96-02992-9
- MathSciNet review: 1285976