Difference between revisions of "Density (of a topological space)"
From Encyclopedia of Mathematics
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| − | One of the cardinal | + | {{TEX|done}}{{MSC|54A25}} |
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| + | ''density character'' | ||
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| + | One of the [[cardinal characteristic]]s of a [[topological space]]. The minimal [[cardinality]] of a [[dense set]]. | ||
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| + | ====References==== | ||
| + | * Mary Ellen Rudin, ''Lectures on Set Theoretic Topology'', American Mathematical Society (1975) ISBN 0-8218-1673-X | ||
Revision as of 21:27, 4 December 2014
2020 Mathematics Subject Classification: Primary: 54A25 [MSN][ZBL]
density character
One of the cardinal characteristics of a topological space. The minimal cardinality of a dense set.
References
- Mary Ellen Rudin, Lectures on Set Theoretic Topology, American Mathematical Society (1975) ISBN 0-8218-1673-X
How to Cite This Entry:
Density (of a topological space). Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Density_(of_a_topological_space)&oldid=16284
Density (of a topological space). Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Density_(of_a_topological_space)&oldid=16284