Title:
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Cardinality of retracts of monounary algebras (English) |
Author:
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Jakubíková-Studenovská, Danica |
Author:
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Pócs, Jozef |
Language:
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English |
Journal:
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Czechoslovak Mathematical Journal |
ISSN:
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0011-4642 (print) |
ISSN:
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1572-9141 (online) |
Volume:
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58 |
Issue:
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2 |
Year:
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2008 |
Pages:
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469-479 |
Summary lang:
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English |
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Category:
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math |
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Summary:
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For an uncountable monounary algebra $(A,f)$ with cardinality $\kappa $ it is proved that $(A,f)$ has exactly $2^{\kappa }$ retracts. The case when $(A,f)$ is countable is also dealt with. (English) |
Keyword:
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monounary algebra |
Keyword:
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retract |
Keyword:
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cardinality |
MSC:
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08A60 |
idZBL:
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Zbl 1174.08303 |
idMR:
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MR2411102 |
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Date available:
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2009-09-24T11:56:07Z |
Last updated:
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2020-07-03 |
Stable URL:
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http://hdl.handle.net/10338.dmlcz/128270 |
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Reference:
|
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Reference:
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Reference:
|
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Reference:
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Reference:
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Reference:
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Reference:
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Reference:
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Reference:
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Reference:
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