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The tree width of auxiliary storage

Record type: Conference or Workshop Item (Paper)

We propose a generalization of results on the decidability of emptiness for several restricted classes of sequential and distributed automata with auxiliary storage (stacks, queues) that have recently been proved. Our generalization relies on reducing emptiness of these automata to finite-state graph automata (without storage) restricted to monadic second-order (MSO) definable graphs of bounded tree-width, where the graph structure encodes the mechanism provided by the auxiliary storage. Our results outline a uniform mechanism to derive emptiness algorithms for automata, explaining and simplifying several existing results, as well as proving new decidability results.

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Citation

Madhusudan, P. and Parlato, Gennaro (2011) The tree width of auxiliary storage At POPL '11. Proceedings of the 38th Annual ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages, United States. 26 - 28 Jan 2011. , pp. 283-294. (doi:10.1145/1925844.1926419).

More information

Published date: 2011
Venue - Dates: POPL '11. Proceedings of the 38th Annual ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages, United States, 2011-01-26 - 2011-01-28
Keywords: model checking, automata, decision procedures, bounded tree-width
Organisations: Electronic & Software Systems

Identifiers

Local EPrints ID: 272444
URI: http://eprints.soton.ac.uk/id/eprint/272444
ISBN: 978-1-4503-0490-0
PURE UUID: f8adee63-0e85-4b55-a10d-0506cc795059

Catalogue record

Date deposited: 13 Jun 2011 12:36
Last modified: 18 Jul 2017 06:24

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Contributors

Author: P. Madhusudan
Author: Gennaro Parlato

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