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   Studies on the existence of unstable oscillatory patterns bifurcating from hopf bifurcations in a turing model  
   
نویسنده zhang y. ,bao z.
منبع journal of applied mathematics - 2014 - دوره : 2014 - شماره : 0
چکیده    We revisit a homogeneous reaction-diffusion turing model subject to the neumann boundary conditions in the one-dimensional spatial domain. with the help of the hopf bifurcation theory applicable to the reaction-diffusion equations,we are capable of proving the existence of hopf bifurcations,which suggests the existence of spatially homogeneous and nonhomogeneous periodic solutions of this particular system. in particular,we also prove that the spatial homogeneous periodic solutions bifurcating from the smallest hopf bifurcation point of the system are always unstable. this together with the instability results of the spatially nonhomogeneous periodic solutions by yi et al.,2009,indicates that,in this model,all the oscillatory patterns from hopf bifurcations are unstable. © 2014 yan zhang and zhenhua bao.
آدرس school of control science and engineering,dalian university of technology,dalian 116024,china,school of mathematics,liaoning normal university, China, school of mathematics,liaoning normal university, China
 
     
   
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