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Naslov:Topologically determined optimal stochastic resonance responses of spatially embedded networks
Avtorji:Gosak, Marko (Avtor)
Korošak, Dean (Avtor)
Marhl, Marko (Avtor)
Datoteke:.pdf New_Journal_of_Physics_2011_Gosak,_Korosak,_Marhl_Topologically_determined_optimal_stochastic_resonance_responses_of_spatially_embedded.pdf (2,08 MB)
 
URL http://stacks.iop.org/1367-2630/13/i=1/a=013012?key=crossref.5cd62d33d20126c6b370b6b9cef1a5f5
 
Jezik:Angleški jezik
Vrsta gradiva:Znanstveno delo (r2)
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FNM - Fakulteta za naravoslovje in matematiko
Opis:We have analyzed the stochastic resonance phenomenon on spatial networks of bistable and excitable oscillators, which are connected according to their location and the amplitude of external forcing. By smoothly altering the network topology from a scale-free (SF) network with dominating long-range connections to a network where principally only adjacent oscillators are connected, we reveal that besides an optimal noise intensity, there is also a most favorable interaction topology at which the best correlation between the response of the network and the imposed weak external forcing is achieved. For various distributions of the amplitudes of external forcing, the optimal topology is always found in the intermediate regime between the highly heterogeneous SF network and the strong geometric regime. Our findings thus indicate that a suitable number of hubs and with that an optimal ratio between short- and long-range connections is necessary in order to obtain the best global response of a spatial network. Furthermore, we link the existence of the optimal interaction topology to a critical point indicating the transition from a long-range interactions-dominated network to a more lattice-like network structure.
Ključne besede:physics, stochastic resonance, complex networks
Leto izida:2011
Št. strani:str. 1-16
Številčenje:Letn. 13
ISSN:1367-2630
UDK:53
COBISS_ID:18087432 Povezava se odpre v novem oknu
DOI:10.1088/1367-2630/13/1/013012 Povezava se odpre v novem oknu
ISSN pri članku:1367-2630
NUK URN:URN:SI:UM:DK:IHZTLYNS
Licenca:CC BY 4.0
To delo je dosegljivo pod licenco Creative Commons Priznanje avtorstva 4.0 Mednarodna
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Gradivo je del revije

Naslov:New Journal of Physics
Založnik:Institute of Physics Publishing, Deutsche Physikalische Gesellschaft
ISSN:1367-2630
COBISS.SI-ID:21135621 Novo okno

Sekundarni jezik

Jezik:Slovenski jezik
Ključne besede:fizika, stohastična resonanca, kompleksne mreže


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