Reachability analysis in boxed ambients

  • Authors:
  • Nadia Busi;Gianluigi Zavattaro

  • Affiliations:
  • Department of Computer Science, University of Bologna, Bologna, Italy;Department of Computer Science, University of Bologna, Bologna, Italy

  • Venue:
  • ICTCS'05 Proceedings of the 9th Italian conference on Theoretical Computer Science
  • Year:
  • 2005

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Abstract

The decidability of reachability for pure public Mobile Ambients (i.e. without communication and restriction) has been recently investigated in [5], where a characterization of a maximal deacidable fragment is provided. A peculiar feature of such a fragment is the absence of the open capability for ambient dissolution. In this paper we analyse reachability in Boxed Ambients [2], the most relevant variant of Mobile Ambients in which the open capability is dropped and replaced by a sophisticated parent/child form of communication. The main novelties with respect to [5] are: (i) the definition of a more general notion of reachability (called target reachability); (ii) the proof of the decidability of target reachability for a richer calculus also comprising parent/child communication.