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Syntactic approaches to negative results in process algebras and modal logics

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dc.contributor Reykjavik University
dc.contributor Háskólinn í Reykjavík
dc.contributor.advisor Luca Aceto, Anna Ingólfsdóttir
dc.contributor.author Anastasiadi, Elli
dc.date.accessioned 2022-12-05T13:31:23Z
dc.date.available 2022-12-05T13:31:23Z
dc.date.issued 2022-10-17
dc.identifier.isbn 978-9935-9694-0-8
dc.identifier.isbn 978-9935-9694-1-5 (eISBN)
dc.identifier.uri https://hdl.handle.net/20.500.11815/3683
dc.description.abstract Concurrency as a phenomenon is observed in most of the current computer science trends. However the inherent complexity of analyzing the behavior of such a system is incremented due to the many different models of concurrency, the variety of applications and architectures, as well as the wide spectrum of specification languages and demanded correctness criteria. For the scope of this thesis we focus on state based models of concurrent computation, and on modal logics as specification languages. First we study syntactically the process algebras that describe several different concurrent behaviors, by analyzing their equational theories. Here, we use well-established techniques from the equational logic of processes to older and newer setups, and then transition to the use of more general and novel methods for the syntactical analysis of models of concurrent programs and specification languages. Our main contributions are several positive and negative axiomatizability results over various process algebraic languages and equivalences, along with some complexity results over the satisfiability of multi-agent modal logic with recursion, as a specification language.
dc.description.abstract Samhliða sem fyrirbæri sést í flestum núverandi tölvunarfræði stefnur. Hins vegar er eðlislægt flókið að greina hegðun slíks kerfis- tem er aukið vegna margra mismunandi gerða samhliða, fjölbreytileikans af forritum og arkitektúr, svo og breitt svið forskrifta mælikvarða og kröfðust réttmætisviðmiða. Fyrir umfang þessarar ritgerðar leggjum við áherslu á ástandsbundin líkön af samhliða útreikningum og á formlegum rökfræði sem forskrift tungumálum. Fyrst skoðum við setningafræðilega ferlialgebrurnar sem lýsa nokkrum mismunandi samhliða hegðun, með því að greina jöfnukenningar þeirra. Hér notum við rótgróin tækni mynda jöfnunarrökfræði ferla til eldri og nýrri uppsetningar, og síðan umskipti yfir í notkun almennari og nýrra aðferða fyrir setningafræðileg greining á líkönum samhliða forrita og forskriftartungumála. Helstu framlög okkar eru nokkrar jákvæðar og neikvæðar niðurstöður um axiomatizability yfir ýmis ferli algebrumál og jafngildi, ásamt nokkrum samSveigjanleiki leiðir af því að fullnægjanleiki fjölþátta formrökfræði með endurkomu, sem a forskrift tungumál.
dc.description.sponsorship RANNIS: `Open Problems in the Equational Logic of Processes’ (OPEL) (grant No 196050-051) Reykjavik University research fund: `Runtime and Equational Verification of Concurrent Programs' (ReVoCoP) (grant No 222021)
dc.language.iso en
dc.rights info:eu-repo/semantics/openAccess
dc.subject Computer science
dc.subject Process algebra
dc.subject Modality (Logic)
dc.subject Linear transition systems
dc.subject Kripke structures
dc.subject Concurrency
dc.subject Negative results
dc.subject Syntax
dc.subject Semantics
dc.subject Equational logic
dc.subject Computational complexity
dc.subject Doktorsritgerðir
dc.subject Tölvunarfræði
dc.subject Reiknirit
dc.subject Rökfræði
dc.subject Merkingarfræði
dc.title Syntactic approaches to negative results in process algebras and modal logics
dc.type info:eu-repo/semantics/doctoralThesis
dc.contributor.department Tölvunarfræðideild (HR)
dc.contributor.department Department of Computer Science (RU)
dc.contributor.school Tæknisvið (HR)
dc.contributor.school School of Technology (RU)


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