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SUMMARY:Scaling in the geometrical features of the gradient contact proces
 s - Gunnar Pruessner\, University of Warwick and Imperial College
DTSTART:20070828T093000Z
DTEND:20070828T110000Z
UID:TALK7891@talks.cam.ac.uk
CONTACT:Ryan Woodard
DESCRIPTION:In order to identify the contact process as the universality c
 lass of the underlying microscopic mechanism in the generation of species 
 boundaries\, we study the geometrical features of the borderline and of cl
 usters which form in a system\, where the driving parameters of the contac
 t process are subject to a (linear) change in space. Is it possible to inf
 er the universality class of the reproduction mechanism\nin a biological s
 ystem by looking at\, say\, areal photographs? The gradient contact proces
 s is closely related to gradient percolation and can be considered a corre
 lated variant of it.  What can be said about\nthe borderline near the edge
  of extinction and how does that compare to gradient percolation?
LOCATION:British Antarctic Survey\, Room 330B
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