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Zapping small filters


Author: Claude Laflamme
Journal: Proc. Amer. Math. Soc. 114 (1992), 535-544
MSC: Primary 03E35; Secondary 03E05, 04A20
DOI: https://doi.org/10.1090/S0002-9939-1992-1068126-5
MathSciNet review: 1068126
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Abstract: We show two methods for diagonalizing filters of the form $ {F_\sigma }$, first without adding an unbounded real, the other while preserving $ P$-points; the interest lies in an attempt at destroying maximal almost disjoint families with least damage.


References [Enhancements On Off] (What's this?)

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Additional Information

DOI: https://doi.org/10.1090/S0002-9939-1992-1068126-5
Article copyright: © Copyright 1992 American Mathematical Society

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