Relationship between Granger non-causality and network graph of state-space representations

Jozsa, M., 2019, [Groningen]: University of Groningen. 180 p.

Research output: ThesisThesis fully internal (DIV)Academic

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  • Title and contents

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  • Chapter 1

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  • Chapter 2

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  • Chapter 3

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  • Chapter 4

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  • Chapter 5

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  • Chapter 6

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  • Chapter 7

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  • Chapter 8

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  • Summary

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  • Samenvatting

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  • Acknowledgments

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  • Complete thesis

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  • Propositions

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  • Monika Jozsa
In this thesis we study dynamical systems that consist of interconnected subsystems. We address the problem of relating the network of subsystems to statistical properties of the output process of the dynamical system. The considered systems are: linear time invariant state-space (LTI–SS) representation, LTI transfer matrix and general bilinear state-space (GB–SS) representation. The network of subsystems of the dynamical system is represented by a directed graph that we call network graph whose nodes correspond to the subsystems and whose edges correspond to the directed communication between the subsystems. The statistical property of the output process is, in LTI systems, the so-called conditional and unconditional Granger causality and, in GB–SS representation, the so called GB–Granger causality.

The main results of this thesis provide formal relationship between the network of subsystems of a dynamical system and the above-mentioned statistical properties of its output process. The thesis also introduces realization and identification algorithms for constructing the dynamical systems under consideration. The results can be of interest in application in e.g., systems biology, neuroscience, and economics.
Original languageEnglish
QualificationDoctor of Philosophy
Awarding Institution
  • Camlibel, Kanat, Supervisor
  • Petreczky, Mihaly, Supervisor, External person
  • Schaft, van der, Arjan, Assessment committee
  • Caines, P.E., Assessment committee, External person
  • Peeters, Ralf, Assessment committee, External person
Award date25-Feb-2019
Place of Publication[Groningen]
Print ISBNs978-94-034-1296-2
Electronic ISBNs978-94-034-1295-5
Publication statusPublished - 2019

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