Title
Deciding probabilistic bisimilarity distance one for probabilistic automata
Abstract
Probabilistic bisimilarity, due to Segala and Lynch, is an equivalence relation that captures which states of a probabilistic automaton behave exactly the same. Deng et al. proposed a robust quantitative generalization of probabilistic bisimilarity. Their probabilistic bisimilarity distances of states of a probabilistic automaton capture the similarity of their behaviour. The smaller the distance, the more alike the states behave. In particular, states are probabilistic bisimilar if and only if their distance is zero. Although the complexity of computing probabilistic bisimilarity distances for probabilistic automata has already been studied, we are not aware of any practical algorithms to compute those distances. In this paper, we provide several key results towards algorithms to compute probabilistic bisimilarity distances for probabilistic automata. In particular, we present a polynomial time algorithm that decides distance one. Furthermore, we give an alternative characterization of the probabilistic bisimilarity distances as a basis for a policy iteration algorithm.
Year
DOI
Venue
2018
10.1016/j.jcss.2020.02.003
Journal of Computer and System Sciences
Keywords
Field
DocType
Probabilistic automaton,Probabilistic bisimilarity,Probabilistic bisimilarity distance
Discrete mathematics,Equivalence relation,Computer science,Theoretical computer science,If and only if,Probabilistic logic,Time complexity,Probabilistic automaton,PPAD
Conference
Volume
ISSN
Citations 
111
0022-0000
0
PageRank 
References 
Authors
0.34
0
2
Name
Order
Citations
PageRank
Qiyi Tang174.49
Franck van Breugel252335.17