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Mathias forcing and combinatorial covering properties of filters
ID
Chodounský, David
(
Author
),
ID
Repovš, Dušan
(
Author
),
ID
Zdomskyy, Lyubomyr
(
Author
)
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Abstract
We give topological characterizations of filters ▫$\mathcal{F}$▫ on ▫$w$▫ such that the Mathias forcing ▫$M_\mathcal{F}$▫ adds no dominating reals or preserves ground model unbounded families. This allows us to answer some questions of Brendle, Guzmán, Hrušák, Martínez, Minami, and Tsaban.
Language:
English
Keywords:
mathematics
,
topology
,
Menger space
,
Hurewicz space
,
$\gamma$-space
,
filter
,
ideal
,
Mathias forcing
Work type:
Article
Typology:
1.01 - Original Scientific Article
Organization:
PEF - Faculty of Education
FMF - Faculty of Mathematics and Physics
Year:
2015
Number of pages:
Str. 1398-1410
Numbering:
Vol. 80, no. 4
PID:
20.500.12556/RUL-111421
UDC:
515.122:510.3
ISSN on article:
0022-4812
DOI:
http://dx.doi.org/10.1017/jsl.2014.73
COBISS.SI-ID:
17556057
Publication date in RUL:
30.09.2019
Views:
950
Downloads:
553
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Record is a part of a journal
Title:
Journal of symbolic logic
Shortened title:
J. symb. log.
Publisher:
Association for Symbolic Logic.
ISSN:
0022-4812
COBISS.SI-ID:
25795584
Secondary language
Language:
Slovenian
Keywords:
matematika
,
topologija
,
topološki prostori
,
filter
,
ideal
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