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Network Reconstruction from Intrinsic Noise
Hayden, David; Yuan, Ye; Goncalves, Jorge
2014In The proceedings of the American Control Conference
Peer reviewed
 

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Abstract :
[en] This paper considers the problem of inferring the structure and dynamics of an unknown network driven by unknown noise inputs. Equivalently we seek to identify direct causal dependencies among manifest variables only from observations of these variables. We consider linear, time-invariant systems of minimal order and with one noise source per measured state. If the transfer matrix from the inputs to manifest states is known to be minimum phase, this problem is shown to have a unique solution irrespective of the network topology. This is equivalent to there being only one spectral factor (up to a choice of signs of the inputs) of the output spectral density that satisfies these assumptions. Hence for this significant class of systems, the network reconstruction problem is well posed.
Disciplines :
Engineering, computing & technology: Multidisciplinary, general & others
Author, co-author :
Hayden, David
Yuan, Ye
Goncalves, Jorge ;  University of Luxembourg > Luxembourg Centre for Systems Biomedicine (LCSB)
External co-authors :
yes
Language :
English
Title :
Network Reconstruction from Intrinsic Noise
Publication date :
2014
Event name :
American Control Conference
Event place :
Portland, Oregon, United States
Event date :
June 4-6, 2014
Main work title :
The proceedings of the American Control Conference
Peer reviewed :
Peer reviewed
Available on ORBilu :
since 10 March 2015

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