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History-Register Automata

Grigore, Radu, Tzevelekos, Nikos (2016) History-Register Automata. Logical Methods in Computer Science, 12 (1). pp. 1-32. ISSN 1860-5974. (KAR id:54558)

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Abstract

Programs with dynamic allocation are able to create and use an unbounded number of fresh resources, such as references, objects, files, etc. We propose History-Register

for reachability checks. The distinctive feature of our machines is their use of unbounded memory sets (histories) where input symbols can be selectively stored and compared with

powerful enough to imitate counter machines, and yields closure under all regular operations apart from complementation. We moreover examine weaker notions of HRAs which strike

different balances between expressiveness and effectiveness.

Item Type: Article
Uncontrolled keywords: register automata, automata over infinite alphabets, infinite systems reachability, freshness, counter automata
Subjects: Q Science > QA Mathematics (inc Computing science) > QA 9 Formal systems, logics
Divisions: Divisions > Division of Computing, Engineering and Mathematical Sciences > School of Computing
Depositing User: Radu Grigore
Date Deposited: 17 Mar 2016 19:36 UTC
Last Modified: 16 Feb 2021 13:33 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/54558 (The current URI for this page, for reference purposes)
Grigore, Radu: https://orcid.org/0000-0003-1128-0311
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