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Propagation property for anisotropic nonlinear diffusion equation with convection
http://hdl.handle.net/20.500.12678/0000000658
http://hdl.handle.net/20.500.12678/000000065856d922db-d4fd-4ee7-9858-ba20a65ebd7f
52d44aa2-8375-407f-8eef-756db13e8ecd
Publication type | ||||||
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Journal article | ||||||
Upload type | ||||||
Publication | ||||||
Title | ||||||
Title | Propagation property for anisotropic nonlinear diffusion equation with convection | |||||
Language | en | |||||
Publication date | 2009 | |||||
Authors | ||||||
Than Sint Khin | ||||||
Ning Su | ||||||
Description | ||||||
We consider propagation property for anisotropic diffusion equation with convection in 2 dimension, ∂t um − ∂x1 |∂x1u|p1−1∂x1u − ∂x2 |∂x2u|p2−1∂x2u + uα−1∂x1u = 0, where p1, p2,m,α > 0. Among the results, we show that perturbation for the nonnegative solutions propagates with infinite speed in x1-direction and with finite speed in x2- direction if 0 < α < m < p2. We also show that the anisotropic propagation may appear when the convection term is weak, backward, or even missing, if 0 < p1 m < p2, p1 1. |
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Keywords | ||||||
Anisotropic nonlinear diffusion | ||||||
Identifier | https://umoar.mu.edu.mm/handle/123456789/276 | |||||
Journal articles | ||||||
354 | ||||||
Journal of Mathematical Analysis and Applications | ||||||
Conference papaers | ||||||
Books/reports/chapters | ||||||
Thesis/dissertations |