ELFT HÍRADÓ

[StatFizSzeminar <statfiz AT glu.elte.hu>]

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              ELTE Institute of Theoretical Physics
                 SEMINARS IN STATISTICAL PHYSICS
   
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                     Late Announcement
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                      Wednesday, 11 am. 
                        Oct. 4, 2006 
 
                         Izabella BENCZIK
     
          Physics Department, Virginia Tech, Blacksburg, Virginia

        "Voter model on an adaptive disordered network"

     
 We consider the dynamics of the voter model on a quenched disordered network.
 The network on which the voter dynamics takes place is built in an adaptive 
 manner: at each time step the nodes associated to a given agent may be 
 connected with a probability p to nodes sharing the same opinion and with 
 probability 1-p to nodes in a different state. In this manner, the structure 
 of the network is quenched, as it is correlated and evolves with the dynamics
 of the agents. We obtain the final state of the sytem for arbitrary initial 
 condition. On long time scales the network reaches one of its absorbing 
states
 (completely ordered), whereas on intermediate time scales a ``neutral'' state
 (with zero magnetization) or an active state (with finite magnetization) can 
 persist for long times.



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