Computer Science – Logic in Computer Science
Scientific paper
2005-01-19
LMCS 1 (1:3) 2005
Computer Science
Logic in Computer Science
Scientific paper
10.2168/LMCS-1(1:3)2005
This note shows that split-2 bisimulation equivalence (also known as timed equivalence) affords a finite equational axiomatization over the process algebra obtained by adding an auxiliary operation proposed by Hennessy in 1981 to the recursion, relabelling and restriction free fragment of Milner's Calculus of Communicating Systems. Thus the addition of a single binary operation, viz. Hennessy's merge, is sufficient for the finite equational axiomatization of parallel composition modulo this non-interleaving equivalence. This result is in sharp contrast to a theorem previously obtained by the same authors to the effect that the same language is not finitely based modulo bisimulation equivalence.
Aceto Luca
Fokkink Wan
Ingolfsdottir Anna
Luttik Bas
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