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http://hdl.handle.net/10773/37968
Título: | Quantitative Hennessy-Milner theorems via notions of density |
Autor: | Forster, Jonas Goncharov, Sergey Hofmann, Dirk Nora, Pedro Schröder, Lutz Wild, Paul |
Palavras-chave: | Behavioural distances Coalgebra Characteristic modal logics Density Hennessy-Milner theorems Quantale-enriched categories Stone-Weierstraß theorems |
Data: | 2023 |
Editora: | Schloss Dagstuhl - Leibniz-Zentrum für Informatik |
Resumo: | The classical Hennessy-Milner theorem is an important tool in the analysis of concurrent processes; it guarantees that any two non-bisimilar states in finitely branching labelled transition systems can be distinguished by a modal formula. Numerous variants of this theorem have since been established for a wide range of logics and system types, including quantitative versions where lower bounds on behavioural distance (e.g. in weighted, metric, or probabilistic transition systems) are witnessed by quantitative modal formulas. Both the qualitative and the quantitative versions have been accommodated within the framework of coalgebraic logic, with distances taking values in quantales, subject to certain restrictions, such as being so-called value quantales. While previous quantitative coalgebraic Hennessy-Milner theorems apply only to liftings of set functors to (pseudo)metric spaces, in the present work we provide a quantitative coalgebraic Hennessy-Milner theorem that applies more widely to functors native to metric spaces; notably, we thus cover, for the first time, the well-known Hennessy-Milner theorem for continuous probabilistic transition systems, where transitions are given by Borel measures on metric spaces, as an instance of such a general result. In the process, we also relax the restrictions imposed on the quantale, and additionally parametrize the technical account over notions of closure and, hence, density, providing associated variants of the Stone-Weierstraß theorem; this allows us to cover, for instance, behavioural ultrametrics. |
Peer review: | yes |
URI: | http://hdl.handle.net/10773/37968 |
DOI: | 10.4230/LIPIcs.CSL.2023.22 |
Aparece nas coleções: | CIDMA - Artigos AGG - Artigos |
Ficheiros deste registo:
Ficheiro | Descrição | Tamanho | Formato | |
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quantitative-hm.pdf | 715.68 kB | Adobe PDF | Ver/Abrir |
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