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Time-periodic finite element method for nonlinear diffusion equations

✍ Scribed by Hara, T.; Naito, T.; Umoto, J.


Book ID
114648107
Publisher
IEEE
Year
1985
Tongue
English
Weight
324 KB
Volume
21
Category
Article
ISSN
0018-9464

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Finite time extinction in nonlinear diff
✍ R Laister; A.T Peplow; R.E Beardmore πŸ“‚ Article πŸ“… 2004 πŸ› Elsevier Science 🌐 English βš– 392 KB

We consider a class of degenerate diffusion equations where the nonlinearity is assumed to be singular (non-Lipschitz) at zero. It is shown that solutions with compactly supported initial data become identically zero in finite time. Such extinction follows by comparison with newly constructed finite