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2016 ; 113
(42
): 11726-11731
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System crash as dynamics of complex networks
#MMPMID27698137
Yu Y
; Xiao G
; Zhou J
; Wang Y
; Wang Z
; Kurths J
; Schellnhuber HJ
Proc Natl Acad Sci U S A
2016[Oct]; 113
(42
): 11726-11731
PMID27698137
show ga
Complex systems, from animal herds to human nations, sometimes crash drastically.
Although the growth and evolution of systems have been extensively studied, our
understanding of how systems crash is still limited. It remains rather puzzling
why some systems, appearing to be doomed to fail, manage to survive for a long
time whereas some other systems, which seem to be too big or too strong to fail,
crash rapidly. In this contribution, we propose a network-based system dynamics
model, where individual actions based on the local information accessible in
their respective system structures may lead to the "peculiar" dynamics of system
crash mentioned above. Extensive simulations are carried out on synthetic and
real-life networks, which further reveal the interesting system evolution leading
to the final crash. Applications and possible extensions of the proposed model
are discussed.