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BEGIN:VEVENT
DTSTAMP:20261017T171632Z
LAST-MODIFIED:20121116T204445Z
DTSTART:20120319T140000Z
DTEND:20120319T150000Z
UID:event883@bu.edu
URL:http://physics.bu.edu/internal/events/show/883
SUMMARY:Cascading Failures in Interdependent Lattice Networks: The Critical
	 Role of the Length of Dependency Links
DESCRIPTION:Featuring Wei Li\n\nPart of the Preliminary Oral Exam.\n\nExami
	ning Committee: Gene Stanley\, William Skocpol\, Karl Ludwig\, Robert Carey
	\n\nAbstract: We study the cascading failures in a system composed of two i
	nterdependent square lattice networks A and B placed on the same Cartesian 
	plane\, where each node in network A depends on a node in network B randoml
	y chosen within a certain distance r from the corresponding node in network
	 A and vice versa. Our results suggest that percolation for small r below r
	max = 8 (lattice units) is a second-order transition\, and for larger r is 
	a first-order transition. For r < rmax\, the critical threshold increases l
	inearly with r from 0.593 at r = 0 and reaches a maximum\, 0.738 for r = rm
	ax and then gradually decreases to 0.683 for r to infinity. Our analytic co
	nsiderations are in good agreement with simulations. Our study suggests tha
	t interdependent infrastructures embedded in Euclidean space become most vu
	lnerable when the distance between interdependent nodes is in the intermedi
	ate range\, which is much smaller than the size of the system.
LOCATION:PRB 595\, 3 Cummington Mall\, 02215
STATUS:CONFIRMED
CLASS:PUBLIC
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