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The additivity of porosity ideals
Author(s):
Jörg
Brendle
Journal:
Proc. Amer. Math. Soc.
124
(1996),
285-290.
MSC (1991):
Primary 03E05
MathSciNet review:
1285976
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Abstract:
We show that several  -ideals related to porous sets have additivity  and cofinality  . This answers a question addressed by Miroslav Repický.
References:
- Bl
- A. Blass, Cardinal characteristics and the product of countably many infinite cyclic groups, J. Algebra 169 (1994), 512--540. CMP 95:02
- Br
- J. Brendle, Evasion and prediction---the Specker phenomenon and Gross spaces, Forum Math. (to appear).
- Je
- T. Jech, Set theory, Academic Press, New York, 1978. MR 80a:03062
- Re
- M. Repický, Cardinal invariants related to porous sets, Set Theory of the Reals (Haim Judah, ed.), Israel Math. Conf. Proc., vol. 6, Weizmann, Jerusalem, 1993, pp. 433--438. MR 94h:03095
- Za
- L. Zajícek, Porosity and
 -porosity, Real Anal. Exchange, 13 (1987--88), 314--350. MR 89e:26009
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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
DOI:
10.1090/S0002-9939-96-02992-9
PII:
S 0002-9939(96)02992-9
Keywords:
Porous sets,
cardinal invariants
Received by editor(s):
June 22, 1993
Received by editor(s) in revised form:
July 15, 1994
Communicated by:
Andreas R. Blass
Copyright of article:
Copyright
1996,
American Mathematical Society
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