Collapsible Pushdown Parity Games

Author:

Broadbent Christopher H.1,Carayol Arnaud2,Hague Matthew3,Murawski Andrzej S.1,Ong C.-H. Luke1,Serre Olivier4

Affiliation:

1. Department of Computer Science, University of Oxford, UK

2. CNRS, LIGM (Université Paris Est & CNRS), France

3. Royal Holloway, University of London, UK

4. Université de Paris, IRIF, CNRS, France

Abstract

This article studies a large class of two-player perfect-information turn-based parity games on infinite graphs, namely, those generated by collapsible pushdown automata. The main motivation for studying these games comes from the connections from collapsible pushdown automata and higher-order recursion schemes, both models being equi-expressive for generating infinite trees. Our main result is to establish the decidability of such games and to provide an effective representation of the winning region as well as of a winning strategy. Thus, the results obtained here provide all necessary tools for an in-depth study of logical properties of trees generated by collapsible pushdown automata/recursion schemes.

Publisher

Association for Computing Machinery (ACM)

Subject

Computational Mathematics,Logic,General Computer Science,Theoretical Computer Science

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4. A Saturation Method for Collapsible Pushdown Systems

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