Presentation 2010-03-09
Network Instability depending on Its Topology : in case of Laplacian Matrix
Takeshi OZEKI, Teruhiko KUDO,
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Abstract(in English) Employing a Laplacian Matrix used in quantum random walk, we examine network dynamics by Markov transition with weak non-linearity to find a novel network instability depending on network topology, for the first time to our best knowledge. BA networks, generated by Barabasi's growth mechanism with preferential attachment, show a chaotic instability. For topology of egalitarian networks, such instability disappears. Up to date, the network vulnerability discussed mainly by network diameter variation due to deletion of nodes or links, This novel instability gives us a new concept of temporal network instability for discusses on vulnerability of network system.
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Keyword(in English) Laplacian Matrix / Quantum random Walk / Network Instability / Nonlinear Markov Process
Paper # PN2009-106
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Conference Date 2010/3/1(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
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Title (in English) Network Instability depending on Its Topology : in case of Laplacian Matrix
Sub Title (in English)
Keyword(1) Laplacian Matrix
Keyword(2) Quantum random Walk
Keyword(3) Network Instability
Keyword(4) Nonlinear Markov Process
1st Author's Name Takeshi OZEKI
1st Author's Affiliation Faculty of Science and Technology, Sophia University()
2nd Author's Name Teruhiko KUDO
2nd Author's Affiliation Faculty of Science and Technology, Sophia University
Date 2010-03-09
Paper # PN2009-106
Volume (vol) vol.109
Number (no) 455
Page pp.pp.-
#Pages 6
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