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
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