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Abstract:

In this paper we study existence and uniqueness of solutions to the local diffusion equation with Neumann boundary conditions and a bounded nonhomogeneous diffusion coefficient g ≥ 0, {ut = div (g|∇u|p-2∇u) in ]0; T[×Ωg|∇u|p-2u·n = 0 on ]0; T[×∂Ω; for 1 ≤ p < ∞. We show that a nonlocal counterpart of this diffusion problem is ut(t; x)= ∫ω J(x-y)g(x+y/2)|u(t; y)-u(t; x)| p-2 (u(t; y)-u(t; x)) dy in ]0; T[× Ω,where the diffusion coefficient has been reinterpreted by means of the values of g at the point x+y/2 in the integral operator. The fact that g ≥ 0 is allowed to vanish in a set of positive measure involves subtle difficulties, specially in the case p = 1.

Registro:

Documento: Artículo
Título:Local and nonlocal weighted p-laplacian evolution equations with Neumann boundary conditions
Autor:Andreu, F.; Mazón, J.M.; Rossi, J.D.; Toledo, J.
Filiación:Departament D'Anàlisi Matemàtica, Universitat de Valéncia, Valencia, Spain
Departamento de Matemàtica, FCEyN UBA (1428), Buenos Aires, Argentina
Palabras clave:Neumann boundary conditions; Nonlocal diffusion; P-Laplacian; Total variation ow
Año:2011
Volumen:55
Número:1
Página de inicio:27
Página de fin:66
DOI: http://dx.doi.org/10.5565/PUBLMAT_55111_03
Título revista:Publicacions Matematiques
Título revista abreviado:Publ. Mat.
ISSN:02141493
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_02141493_v55_n1_p27_Andreu

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Citas:

---------- APA ----------
Andreu, F., Mazón, J.M., Rossi, J.D. & Toledo, J. (2011) . Local and nonlocal weighted p-laplacian evolution equations with Neumann boundary conditions. Publicacions Matematiques, 55(1), 27-66.
http://dx.doi.org/10.5565/PUBLMAT_55111_03
---------- CHICAGO ----------
Andreu, F., Mazón, J.M., Rossi, J.D., Toledo, J. "Local and nonlocal weighted p-laplacian evolution equations with Neumann boundary conditions" . Publicacions Matematiques 55, no. 1 (2011) : 27-66.
http://dx.doi.org/10.5565/PUBLMAT_55111_03
---------- MLA ----------
Andreu, F., Mazón, J.M., Rossi, J.D., Toledo, J. "Local and nonlocal weighted p-laplacian evolution equations with Neumann boundary conditions" . Publicacions Matematiques, vol. 55, no. 1, 2011, pp. 27-66.
http://dx.doi.org/10.5565/PUBLMAT_55111_03
---------- VANCOUVER ----------
Andreu, F., Mazón, J.M., Rossi, J.D., Toledo, J. Local and nonlocal weighted p-laplacian evolution equations with Neumann boundary conditions. Publ. Mat. 2011;55(1):27-66.
http://dx.doi.org/10.5565/PUBLMAT_55111_03