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A General Name Binding Mechanism

Boreale, Michele and Buscemi, Maria Grazia and Montanari, Ugo A General Name Binding Mechanism. In: Proceedings of Symposium on Trustworthy Global Computing (TGC ’05). Lecture Notes in Computer Science, 3705 . Springer, pp. 61-74. ISBN 3-540-30007-4 (2005)

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Abstract

We study fusion and binding mechanisms in name passing process calculi. To this purpose, we introduce the U-Calculus, a process calculus with no I/O polarities and a unique form of binding. The latter can be used both to control the scope of fusions and to handle new name generation. This is achieved by means of a simple form of typing: each bound name x is annotated with a set of exceptions, that is names that cannot be fused to x. The new calculus is proven to be more expressive than pi-calculus and Fusion calculus separately. In U-Calculus, the syntactic nesting of name binders has a semantic meaning, which cannot be overcome by the ordering of name extrusions at runtime. Thanks to this mixture of static and dynamic ordering of names, U-Calculus admits a form of labelled bisimulation which is a congruence. This property yields a substantial improvement with respect to previous proposals by the same authors aimed at unifying the above two languages. The additional expressiveness of U-Calculus is also explored by providing a uniform encoding of mixed guarded choice into the choice-free sub-calculus.

Item Type: Book Section
Identification Number: https://doi.org/10.1007/11580850_5
Additional Information: The final publication is available at www.springerlink.com.
Funders: Research partially supported by IST FET Global projects PROFUNDIS IST-2001-33100 and MIKADO IST-2001-32222.
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Research Area: Computer Science and Applications
Depositing User: Users 29 not found.
Date Deposited: 01 Mar 2011 08:48
Last Modified: 11 Jul 2011 14:33
URI: http://eprints.imtlucca.it/id/eprint/127

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