The blow -up of the Solution of the Fourth-Order Semilinear Heat Equation
Received:September 12, 1989  
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Wen Ruqing Middle Sauth Industrial University
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      In this paper, we study the blow-up of the solution of the fourth-order semilinear heat equationwith given initial and boundary condition . Using concavity method, we proved that che solution of above problems become infinite in finite time, provided a(x,t) , aij(x) , f(u,Δtu) and initial-boundary-value satisfy some conditions .
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