On propagation properties of perturbation in nonlinear degenerate diffusions with convection and absorption
β Scribed by Su Ning
- Book ID
- 107967654
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 524 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0362-546X
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π SIMILAR VOLUMES
For the 1+1-dimensional nonlinear di usion equations with x-dependent convection and source terms ut = (D(u)ux)x + Q(x; u)ux + P(x; u), we obtain conditions under which the equations admit the second-order generalized conditional symmetries Γ(x; u) = uxx + H (u)u 2 x + G(x; u)ux + F(x; u) and the ΓΏ
An explicit closed-form solution for the nonlinear wa¨e equation in nonlinear GaAs-AlAs MQW structures is obtained with the use of a perturbation technique. Incidence of a plane wa¨e onto a nonlinear medium is studied. As expected, the reflection coefficient is found to be strongly dependent on the