A SUPERSOLUTION FOR THE POROUS-MEDIA EQUATION WITH NONUNIFORM DENSITY

Authors
PELETIER MA
Citation
Ma. Peletier, A SUPERSOLUTION FOR THE POROUS-MEDIA EQUATION WITH NONUNIFORM DENSITY, Applied mathematics letters, 7(3), 1994, pp. 29-32
Citations number
3
Categorie Soggetti
Mathematics,Mathematics
Journal title
Applied mathematics letters → ACNP
ISSN journal
08939659
Volume
7
Issue
3
Year of publication
1994
Pages
29 - 32
Database
ISI
SICI code
0893-9659(1994)7:3<29:ASFTPE>2.0.ZU;2-C
Abstract
We exhibit a supersolution for the porous media equation with nonunifo rm density, and derive an upper bound on the interfaces of a solution.