Analyticity of the interface of the porous media equation after the waiting time
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- by Sigurd Angenent PDF
- Proc. Amer. Math. Soc. 102 (1988), 329-336 Request permission
Abstract:
We prove that the free boundary of a solution of the porous media equation, with compactly supported initial data, is real analytic after the waiting time. The proof uses the maximal regularity theory of Da Prato and Grisvard.References
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Additional Information
- © Copyright 1988 American Mathematical Society
- Journal: Proc. Amer. Math. Soc. 102 (1988), 329-336
- MSC: Primary 35K55,; Secondary 76S05
- DOI: https://doi.org/10.1090/S0002-9939-1988-0920995-1
- MathSciNet review: 920995