Budget Amount *help |
¥3,540,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥540,000)
Fiscal Year 2009: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2008: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2007: ¥1,200,000 (Direct Cost: ¥1,200,000)
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Research Abstract |
We dealt with nonlinear diffusion problems arising in a large number of important scientific and industrial contexts. The difficulties arise from the nonlinearity of the diffusion and the problem is how to handle the nonlinearity of the diffusion. In this study, we proved that the solutions of the nonlinear diffusion problems can be approximated by those of semilinear reaction-diffusion systems which include only simple reactions and linear diffusions. This indicates that the mechanism of nonlinear diffusion might be captured by reaction-diffusion interaction. Resolving semilinear problems is typically easier than dealing with nonlinear problems. Therefore, the theory of reaction-diffusion system approximation is expected to reveal effective approaches to the study of nonlinear problems.
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