Titlebook: Automata, Languages, and Programming; 42nd International C Magnús M. Halldórsson,Kazuo Iwama,Bettina Speckman Conference proceedings 2015 S

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Edit Distance for Pushdown Automatan automaton (the implementation, a standard model for programs with recursion) to a regular language (the specification). In this work, we present a complete picture of decidability and complexity for deciding whether, for a given threshold ., the edit distance from a pushdown automaton to a finite automaton is at most ..

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Reachability is in DynFOlternatively, .. and non-uniform . allow updates by uniform and non-uniform families of poly-size, bounded-depth circuits, respectively..The first result confirms a two decade old conjecture of Patnaik and Immerman [.]. The proofs rely mainly on elementary Linear Algebra. The second result can also be concluded from [.].

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Conference proceedings 2015. The papers are organized in the following three tracks: algorithms, complexity, and games; logic, semantics, automata and theory of programming; and foundations of networked computation: models, algorithms and information management.

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