Epsilon-Semantics computations on biological systems

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Authors

CASAGRANDE Alberto DREOSSI Tommaso FABRIKOVÁ Jana PIAZZA Carla

Year of publication 2014
Type Article in Periodical
Magazine / Source Information and computation
MU Faculty or unit

Faculty of Informatics

Citation
Web http://www.sciencedirect.com/science/article/pii/S0890540114000121
Doi http://dx.doi.org/10.1016/j.ic.2014.01.011
Field Informatics
Keywords Hybrid systems; Epsilon-Semantics; Reachability problem
Description The assumption of being able to perform infinite precision measurements does not only lead to undecidability, but it also introduces artifacts in the mathematical models that do not correspond to observable behaviours of systems under study. When bounded spatial regions are involved, such issues can be avoided if arbitrarily small sets of points are not definable in the mathematical setting. epsilon-semantics were introduced in this spirit. In this paper we investigate the use of epsilon-semantics deeper, in the context of reachability analysis of hybrid automata. In particular, we focus on two epsilon-semantics and reason about their computability. We then try our approach on biological model analysis to give evidence about the effectiveness of the methodology.
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