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Weak progressive forward simulation is necessary and sufficient for strong observational refinement

  • Hyperproperties are correctness conditions for labelled transition systems that are more expressive than traditional trace properties, with particular relevance to security. Recently, Attiya and Enea studied a notion of strong observational refinement that preserves all hyperproperties. They analyse the correspondence between forward simulation and strong observational refinement in a setting with only finite traces. We study this correspondence in a setting with both finite and infinite traces. In particular, we show that forward simulation does not preserve hyperliveness properties in this setting. We extend the forward simulation proof obligation with a (weak) progress condition, and prove that this weak progressive forward simulation is equivalent to strong observational refinement.

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Metadaten
Author:Brijesh DongolORCiD, Gerhard SchellhornORCiDGND, Heike WehrheimORCiD
URN:urn:nbn:de:bvb:384-opus4-1094567
Frontdoor URLhttps://opus.bibliothek.uni-augsburg.de/opus4/109456
ISBN:978-3-95977-246-4OPAC
Parent Title (English):33rd International Conference on Concurrency Theory (CONCUR 2022), September 12-16, 2022, Warsaw, Poland
Publisher:Schloss Dagstuhl, Leibniz-Zentrum für Informatik
Place of publication:Dagstuhl
Editor:Bartek Klin, Sławomir Lasota, Anca Muscholl
Type:Conference Proceeding
Language:English
Date of Publication (online):2023/11/23
Year of first Publication:2022
Publishing Institution:Universität Augsburg
Release Date:2023/11/24
First Page:31:1
Last Page:31:23
Series:Leibniz International Proceedings in Informatics (LIPIcs) ; 243
DOI:https://doi.org/10.4230/LIPIcs.CONCUR.2022.31
Institutes:Fakultät für Angewandte Informatik
Fakultät für Angewandte Informatik / Institut für Informatik
Fakultät für Angewandte Informatik / Institut für Software & Systems Engineering
Fakultät für Angewandte Informatik / Institut für Informatik / Lehrstuhl für Softwaretechnik
Fakultät für Angewandte Informatik / Institut für Informatik / Lehrstuhl für Softwaretechnik / Lehrstuhl für Softwaretechnik
Dewey Decimal Classification:0 Informatik, Informationswissenschaft, allgemeine Werke / 00 Informatik, Wissen, Systeme / 004 Datenverarbeitung; Informatik
Licence (German):CC-BY 4.0: Creative Commons: Namensnennung

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