The blow-up property for a system of heat equations with nonlinear boundary conditions |
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Authors: | Lin Zhigui Xie Chunhong Wang Mingxin |
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Institution: | (1) Department of Mathematics, Nanjing University, 210093 Nanjing;(2) Department of Mathematics and Mechanics, Southeast University, 210018 Nanjing |
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Abstract: | This paper deals with the blow-up properties of solutions to the systems u
t=Δu,vt=Δv in B
RX(0,T) subject to nonlinear boundary conditions
, in S
RX(0,T). It is shown that under certain conditions the solution blows up at a finite time and the blow-up only occurs on the
boundary. The self-similar solution for the one-dimensional case has been studied. Moreover, the exact blow-up rates are also
derived.
The third author's work was supported by the National Natural Science Foundation of China. |
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Keywords: | 35K55 35K60 35B35 |
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