Characteristic bisimulation for higher-order session processes

Kouzapas, D., Pérez, J. A. and Yoshida, N. (2017) Characteristic bisimulation for higher-order session processes. Acta Informatica, 54(3), pp. 271-341. (doi: 10.1007/s00236-016-0289-7)

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Abstract

For higher-order (process) languages, characterising contextual equivalence is a long-standing issue. In the setting of a higher-order π-calculus with session types, we develop characteristic bisimilarity, a typed bisimilarity which fully characterises contextual equivalence. To our knowledge, ours is the first characterisation of its kind. Using simple values inhabiting (session) types, our approach distinguishes from untyped methods for characterising contextual equivalence in higher-order processes: we show that observing as inputs only a precise finite set of higher-order values suffices to reason about higher-order session processes. We demonstrate how characteristic bisimilarity can be used to justify optimisations in session protocols with mobile code communication.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Kouzapas, Mr Dimitrios
Authors: Kouzapas, D., Pérez, J. A., and Yoshida, N.
College/School:College of Science and Engineering > School of Computing Science
Journal Name:Acta Informatica
Publisher:Springer
ISSN:0001-5903
ISSN (Online):1432-0525
Published Online:24 December 2016
Copyright Holders:Copyright © 2017 The Authors
First Published:First published in Acta Informatica 54(3): 271-341
Publisher Policy:Reproduced under a Creative Commons License

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
612411From Data Types to Session Types - A Basis for Concurrency and Distribution.Simon GayEngineering and Physical Sciences Research Council (EPSRC)EP/K034413/1COM - COMPUTING SCIENCE
614451Exploiting Parallelism through Type Transformations for Hybrid Manycore Systems.Wim VanderbauwhedeEngineering and Physical Sciences Research Council (EPSRC)EP/L00058X/1COM - COMPUTING SCIENCE