Mazza, Damiano - Observational Equivalence and Full Abstraction in the Symmetric Interaction Combinators

lmcs:1150 - Logical Methods in Computer Science, December 22, 2009, Volume 5, Issue 4
Observational Equivalence and Full Abstraction in the Symmetric Interaction Combinators

Authors: Mazza, Damiano

The symmetric interaction combinators are an equally expressive variant of Lafont's interaction combinators. They are a graph-rewriting model of deterministic computation. We define two notions of observational equivalence for them, analogous to normal form and head normal form equivalence in the lambda-calculus. Then, we prove a full abstraction result for each of the two equivalences. This is obtained by interpreting nets as certain subsets of the Cantor space, called edifices, which play the same role as Boehm trees in the theory of the lambda-calculus.


Source : oai:arXiv.org:0906.0380
DOI : 10.2168/LMCS-5(4:6)2009
Volume: Volume 5, Issue 4
Published on: December 22, 2009
Submitted on: February 29, 2008
Keywords: Computer Science - Logic in Computer Science,Computer Science - Discrete Mathematics,F.3.2,F.4.1


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