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-Eberhard Knobloch, Ulrich Päßler: Ein unbekannter Brief Alexander von Humboldts an Friedrich August Wolf (1817)
-Cándido Manuel García Cruz: Alexander von Humboldt y los fósiles inorgánicos de las islas canarias
-Sebastian Krumpel: Zur quantitativen Auswertung der intertextuellen Bezüge Humboldts in seinem Essai politique sur le royaume de la Nouvelle-Espagne
-Ingrid Männl: „… durch die Bereisung der dargestellten Gegenden der Wissenschaft und ihrer Nation ein so schönes Denkmal gesetzt …“. Zu Friedrich Georg Weitschs Gemälde, das Alexander von Humboldt und Aimé Bonpland vor dem Chimborazo zeigt
-Christina Pinsdorf: Romantischer Empirismus im Anthropozän. A. v. Humboldts und F. W. J. Schellings Ideen für die Environmental Humanities
-Marcus Schladebach: Alexander von Humboldt als Völkerrechtler
The analysis of behavioral models is of high importance for cyber-physical systems, as the systems often encompass complex behavior based on e.g. concurrent components with mutual exclusion or probabilistic failures on demand. The rule-based formalism of probabilistic timed graph transformation systems is a suitable choice when the models representing states of the system can be understood as graphs and timed and probabilistic behavior is important. However, model checking PTGTSs is limited to systems with rather small state spaces.
We present an approach for the analysis of large scale systems modeled as probabilistic timed graph transformation systems by systematically decomposing their state spaces into manageable fragments. To obtain qualitative and quantitative analysis results for a large scale system, we verify that results obtained for its fragments serve as overapproximations for the corresponding results of the large scale system. Hence, our approach allows for the detection of violations of qualitative and quantitative safety properties for the large scale system under analysis. We consider a running example in which we model shuttles driving on tracks of a large scale topology and for which we verify that shuttles never collide and are unlikely to execute emergency brakes. In our evaluation, we apply an implementation of our approach to the running example.