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Modifications of Expansion Trees for Weak Bisimulation in BPA

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14330%2F02%3A00006476" target="_blank" >RIV/00216224:14330/02:00006476 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Modifications of Expansion Trees for Weak Bisimulation in BPA

  • Original language description

    The purpose of this work is to examine the decidability problem of weak bisimilarity for BPA-processes. It has been known that strong bisimilarity, which may be considered a special case of weak bisimilarity, where the internal (silent) action $tau$ istreated equally to observable actions, is decidable for BPA-processes (cite{BBK,BCS,CHS}). For strong bisimilarity, these processes are finitely branching and so for two non-bisimilar processes there exists a level $n$ that distinguishes the two processes. Additionally, from the decidability of whether two processes are equivalent at a given level $n$, semidecidability of strong non-bisimilarity directly follows. There are two closely related approaches to semidecidability of strong equivalence: construction of a (finite) bisimulation or expansion tree and construction of a finite Caucal base. We have attempted to find out if any of the above mentioned approaches could be generalized to (semi)decide weak bisimilarity.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    JC - Computer hardware and software

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2002

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    Verification of Infinite-State Systems Infinity'2002

  • ISBN

    0444512918

  • ISSN

  • e-ISSN

  • Number of pages

    21

  • Pages from-to

    1

  • Publisher name

    Elsevier Science Publishers

  • Place of publication

    The Netherlands

  • Event location

    24.8.2002, Brno, Czech Republic

  • Event date

    Jan 1, 2002

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article