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VISCOSITY SOLUTION THEORY OF A CLASS OF NONLINEAR DEGENERATE PARABOLIC EQUATIONS Ⅰ. UNIQUENESS AND EXISTENCE OF VISCOSITY SOLUTIONS
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作者 詹毅 《Acta Mathematicae Applicatae Sinica》 SCIE CSCD 1997年第2期136-144,共6页
In this part we construct a unique bounded Holder continuous viscosity solution for the nonlinear PDEs with the evolution p-Laplacian equation and its anisotropic version as typical examples. The existence and propert... In this part we construct a unique bounded Holder continuous viscosity solution for the nonlinear PDEs with the evolution p-Laplacian equation and its anisotropic version as typical examples. The existence and properties of free boundaries will be discussed in part Ⅱ. 展开更多
关键词 degenerate p-laplacian anisotropic viscosity solution
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VISCOSITY SOLUTION THEORY OF A CLASS OF NONLINEAR DEGENERATE PARABOLIC EQUATIONS Ⅱ. LIPSCHITZ CONTINUITY OF FREE BOUNDARY
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作者 詹毅 《Acta Mathematicae Applicatae Sinica》 SCIE CSCD 1997年第3期235-242,共6页
In [1] we construct a unique bounded H■lder continuous viscosity solution for the nonlinear PDEs with the evolution p-Laplacian equation and its anisotropic version as typical examples. In this part, we investigate t... In [1] we construct a unique bounded H■lder continuous viscosity solution for the nonlinear PDEs with the evolution p-Laplacian equation and its anisotropic version as typical examples. In this part, we investigate the Lipschitz continuity of the free boundary of viscosity solution and its asymptotic spherical symmetricity, however,this result does not include the anisotropic case. 展开更多
关键词 degenerate p-laplacian anisotropic viscosity solution finite propagation POSITIVITY H■lder continuity Lipschitz continuity free boundary asymptotic spherical symmetricity
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