Converging from Branching to Linear Metrics on Markov Chains

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16 Citationer (Scopus)

Abstrakt

We study the strong and strutter trace distances on Markov chains (MCs). Our interest in these metrics is motivated by their relation to the probabilistic LTL-model checking problem: we prove that they correspond to the maximal differences in the probability of satisfying the same LTL and LTL-헑 ( LTL without next operator) formulas, respectively. The threshold problem for these distances (whether their value exceeds a given threshold) is NP-hard and not known to be decidable. Nevertheless, we provide an approximation schema where each lower and upper-approximant is computable in polynomial time in the size of the MC.
The upper-approximants are Kantorovich-like pseudometrics, i.e. branching-time distances, that converge point-wise to the linear-time metrics. This convergence is interesting in itself, since it reveals a nontrivial relation between branching and linear-time metric-based semantics that does not hold in the case of equivalence-based semantics.
OriginalsprogEngelsk
TitelTheoretical Aspects of Computing - ICTAC 2015 : 12th International Colloquium, Cali, Colombia, October 29-31, 2015, Proceedings
RedaktørerMartin Leucker, Camilo Rueda, Frank D. Valencia
Antal sider18
ForlagSpringer
Publikationsdato2015
Sider349-367
ISBN (Trykt)978-3-319-25149-3
ISBN (Elektronisk)978-3-319-25150-9
DOI
StatusUdgivet - 2015
Begivenhed12th International Colloquium on Theoretical Aspects of Computing - Cali, Colombia
Varighed: 29 okt. 20151 nov. 2015
Konferencens nummer: 12

Konference

Konference12th International Colloquium on Theoretical Aspects of Computing
Nummer12
Land/OmrådeColombia
ByCali
Periode29/10/201501/11/2015
NavnLecture Notes in Computer Science
Nummer9399
ISSN0302-9743

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