We prove existence and uniqueness, up to a constant, of an entropy solution to the nonlinear and non homogeneous Neumann problem
Our approach is based essentially on the theory of m-accretive operators in Banach spaces, and in order preserving properties.
Submitted December 29, 2004. Published January 12, 2005.
Math Subject Classifications: 35J60, 35J70, 47J05.
Key Words: Nonlinear Neumann problem; m-completely accretive operator.
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| Abdelmajid Siai |
Institut Préparatoire aux Études d'Ingénieurs de Nabeul
8050 Nabeul, Tunisie
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