The greatest fixed-points and rational omega-tree languages (Q1082091)
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scientific article; zbMATH DE number 3972222
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | The greatest fixed-points and rational omega-tree languages |
scientific article; zbMATH DE number 3972222 |
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The greatest fixed-points and rational omega-tree languages (English)
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1986
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Rational omega-tree languages are defined by extending the notion of rational (or regular) expressions for languages, and their properties are investigated. They are characterized by means of greatest fixed-points of certain functions, and are shown to be precisely the omega-tree languages recognized by Rabin's ''special automata''. A simple normal form for rational omega-tree languages is also presented.
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Rabin's ''special automata''
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normal form
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0.8884527
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0.88162804
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0.8735113
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0.8714137
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0.87008995
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0.8699205
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