The μ-calculus alternation hierarchy collapses over structures with restricted connectivity
The alternation hierarchy of least and greatest fixpoint operators in the μ-calculus is strict. However, the strictness of the hierarchy does not necessarily carry over when considering restricted classes of structures. For instance, over the class of infinite words the alternation-free fragment of...
Main Authors: | , , |
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Format: | Journal article |
Published: |
Elsevier
2014
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