Dimension reduction of dynamical systems on networks with leading and non-leading eigenvectors of adjacency matrices
Dimension reduction of dynamical systems on networks with leading and non-leading eigenvectors of adjacency matrices
复制标题
具有邻接矩阵的前导和非前导特征向量的网络动力系统的降维
DOI:
10.1103/physrevresearch.4.023257
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发表时间:
2022
影响因子:
4.2
通讯作者:
Kundu, Prosenjit
中科院分区:
文献类型:
--
作者:
Masuda, Naoki;Kundu, Prosenjit
Dimension reduction techniques for dynamical systems on networks are considered to promote our understanding of the original high-dimensional dynamics. One strategy of dimension reduction is to derive a low-dimensional dynamical system whose behavior approximates the observables of the original dynamical system that are weighted linear summations of the state variables at the different nodes. Recently proposed methods use the leading eigenvector of the adjacency matrix of the network as the mixture weights to obtain such observables. In the present study, we explore performances of this type of one-dimensional reductions of dynamical systems on networks when we use non-leading eigenvectors of the adjacency matrix as the mixture weights. Our theory predicts that non-leading eigenvectors can be more efficient than the leading eigenvector and enables us to select the eigenvector minimizing the error. We numerically verify that the optimal non-leading eigenvector outperforms the leading eigenvector for some dynamical systems and networks. We also argue that, despite our theory, it is practically better to use the leading eigenvector as the mixture weights to avoid misplacing the bifurcation point too distantly and to be resistant against dynamical noise.
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影响因子:
7.3
作者:
Nico Wunderling;J. Donges;J. Kurths;R. Winkelmann
通讯作者:
Nico Wunderling;J. Donges;J. Kurths;R. Winkelmann
影响因子:
2.4
作者:
Kroenke, Jonathan;Wunderling, Nico;Donges, Jonathan F.
通讯作者:
Donges, Jonathan F.
影响因子:
3.5
作者:
A. Klose;Volker Karle;R. Winkelmann;J. Donges
通讯作者:
J. Donges
DOI:
--
发表时间:
2006
期刊:
--
影响因子:
--
作者:
Iroon Polytechniou-
通讯作者:
Iroon Polytechniou-