Deciding bisimilarity is P -complete

Author:

Balcázar José1,Gabarró Joaquim1,Sántha Miklós2

Affiliation:

1. Dep. de Llenguatges i Sistemes Informátics, Universitat Politécnica de Catalunya, Pau Gargallo 5, 08028, Barcelona, Spain

2. CNRS, URA 410, Université Paris-Sud, LRI, Orsay, France

Abstract

Abstract In finite labelled transition systems the problems of deciding strong bisimilarity, observation equivalence and observation congruence are P -complete under many—one NC -reducibility. As a consequence, algorithms for automated analysis of finite state systems based on bisimulation seem to be inherently sequential in the following sense: the design of an NC algorithm to solve any of these problems will require an algorithmic breakthrough, which is exceedingly hard to achieve.

Publisher

Association for Computing Machinery (ACM)

Subject

Theoretical Computer Science,Software

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