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On Topological Completeness of Regular Tree Languages

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Part of the book series: Lecture Notes in Computer Science ((LNPSE,volume 7230))

Abstract

We identify the class of \({\bf\Sigma}^{1}_{1}\)–inductive sets studied by Moschovakis as a set theoretical generalization of the class (1,3) of the Rabin-Mostowski index hierarchy of alternating automata on infinite trees. That is, we show that every tree language recognized by an alternating automaton of index (1,3) is \({\bf\Sigma}^{1}_{1}\)–inductive, and exhibit an automaton whose language is complete in this class w.r.t. continuous reductions.

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Michalewski, H., Niwiński, D. (2012). On Topological Completeness of Regular Tree Languages. In: Constable, R.L., Silva, A. (eds) Logic and Program Semantics. Lecture Notes in Computer Science, vol 7230. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-29485-3_11

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  • DOI: https://doi.org/10.1007/978-3-642-29485-3_11

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-29484-6

  • Online ISBN: 978-3-642-29485-3

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