Occurrence Net Logics
Identifieur interne : 00AB45 ( Main/Exploration ); précédent : 00AB44; suivant : 00AB46Occurrence Net Logics
Auteurs : Stefan Haar [France]Source :
Descripteurs français
- mix :
Abstract
This paper investigates structural properties of occurrence (Petri) nets and their interpretation as unfolding semantics of Petri net systems. Occurrence nets (ONs) exhibit three kinds of node relations associated with causal ordering, concurrency, and conflict. We show that ONs can be decomposed in a natural way into substructures in each of which one or two of these relations are empty, namely: branches, trails, choices, lines, cuts and alternatives. All finite systems will be shown to satisfy certain density properties, i.e. non-empty intersections of substructures as above. Two unfolding semantics are studied: branching processes (introduced by Engelfriet, Wynskel et al.) and branching executions (Vogler). We present two partial order logics that can be interpreted over occurrence net semantics of either kind: the branching time logic BLC and a non-branching logic LLC whose frame is composed of choices, i.e. objects representing horizons of mutually exclusive global states compatible with the corresponding stage of the system.
Url:
Affiliations:
- France
- Grand Est, Lorraine (région)
- Nancy
- Institut national polytechnique de Lorraine, Université Nancy 2, Université de Lorraine
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Le document en format XML
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type="region" nuts="2">Grand Est</region><region type="old region" nuts="2">Lorraine (région)</region></placeName><orgName type="university">Université Nancy 2</orgName><orgName type="institution" wicri:auto="newGroup">Université de Lorraine</orgName><placeName><settlement type="city">Nancy</settlement><region type="region" nuts="2">Grand Est</region><region type="old region" nuts="2">Lorraine (région)</region></placeName><orgName type="university">Institut national polytechnique de Lorraine</orgName><orgName type="institution" wicri:auto="newGroup">Université de Lorraine</orgName></affiliation></author></analytic></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="mix" xml:lang="fr"><term>branching processes</term><term>concurrence</term><term>concurrency</term><term>logique ordre partiel</term><term>partial order logics</term><term>petri nets</term><term>processus de branchement</term><term>réseaux de petri</term><term>semantics</term><term>sémantique</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">This paper investigates structural properties of occurrence (Petri) nets and their interpretation as unfolding semantics of Petri net systems. Occurrence nets (ONs) exhibit three kinds of node relations associated with causal ordering, concurrency, and conflict. We show that ONs can be decomposed in a natural way into substructures in each of which one or two of these relations are empty, namely: branches, trails, choices, lines, cuts and alternatives. All finite systems will be shown to satisfy certain density properties, i.e. non-empty intersections of substructures as above. Two unfolding semantics are studied: branching processes (introduced by Engelfriet, Wynskel et al.) and branching executions (Vogler). We present two partial order logics that can be interpreted over occurrence net semantics of either kind: the branching time logic BLC and a non-branching logic LLC whose frame is composed of choices, i.e. objects representing horizons of mutually exclusive global states compatible with the corresponding stage of the system.</div></front></TEI><affiliations><list><country><li>France</li></country><region><li>Grand Est</li><li>Lorraine (région)</li></region><settlement><li>Nancy</li></settlement><orgName><li>Institut national polytechnique de Lorraine</li><li>Université Nancy 2</li><li>Université de Lorraine</li></orgName></list><tree><country name="France"><region name="Grand Est"><name sortKey="Haar, Stefan" sort="Haar, Stefan" uniqKey="Haar S" first="Stefan" last="Haar">Stefan Haar</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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