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DLT
2009
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Theoretical Computer Science
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DLT 2009
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Closures in Formal Languages and Kuratowski's Theorem
13 years 9 months ago
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maveric.uwaterloo.ca
A famous theorem of Kuratowski states that, in a topological space, at most 14 distinct sets can be produced by repeatedly applying the operations of closure and complement to a gi...
Janusz A. Brzozowski, Elyot Grant, Jeffrey Shallit
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