On the number of open sets of finite topologies
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Publication:2545294
DOI10.1016/0097-3165(71)90065-3zbMath0214.21001OpenAlexW2102465305MaRDI QIDQ2545294
Publication date: 1971
Published in: Journal of Combinatorial Theory. Series A (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1016/0097-3165(71)90065-3
Enumerative combinatorics (05A99) Cardinality properties (cardinal functions and inequalities, discrete subsets) (54A25)
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