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Abstract:

We study the asymptotic behaviour of nonnegative solutions of the nonlinear diffusion equation in the half-line with a nonlinear boundary condition,{Mathematical expression} with p, q, λ > 0. We describe in terms of p, q and λ when the solution is global in time and when it blows up in finite time. For blow-up solutions we find the blow-up rate and the blow-up set and we describe the asymptotic behaviour close to the blow-up time, showing that a phenomenon of asymptotic simplification takes place. We finally study the appearance of extinction in finite time. © 2007 Elsevier Inc. All rights reserved.

Registro:

Documento: Artículo
Título:Blow-up with logarithmic nonlinearities
Autor:Ferreira, R.; de Pablo, A.; Rossi, J.D.
Filiación:Departamento de Matemática Aplicada, Universidad Complutense de Madrid, 28040 Madrid, Spain
Departamento de Matemáticas, Universidad Carlos III de Madrid, 28911 Leganés, Spain
Departamento de Matemática, FCEyN, Universidad de Buenos Aires, 1428 Buenos Aires, Argentina
Palabras clave:Asymptotic behaviour; Blow-up; Nonlinear boundary conditions
Año:2007
Volumen:240
Número:1
Página de inicio:196
Página de fin:215
DOI: http://dx.doi.org/10.1016/j.jde.2007.05.004
Título revista:Journal of Differential Equations
Título revista abreviado:J. Differ. Equ.
ISSN:00220396
CODEN:JDEQA
PDF:https://bibliotecadigital.exactas.uba.ar/download/paper/paper_00220396_v240_n1_p196_Ferreira.pdf
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00220396_v240_n1_p196_Ferreira

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Citas:

---------- APA ----------
Ferreira, R., de Pablo, A. & Rossi, J.D. (2007) . Blow-up with logarithmic nonlinearities. Journal of Differential Equations, 240(1), 196-215.
http://dx.doi.org/10.1016/j.jde.2007.05.004
---------- CHICAGO ----------
Ferreira, R., de Pablo, A., Rossi, J.D. "Blow-up with logarithmic nonlinearities" . Journal of Differential Equations 240, no. 1 (2007) : 196-215.
http://dx.doi.org/10.1016/j.jde.2007.05.004
---------- MLA ----------
Ferreira, R., de Pablo, A., Rossi, J.D. "Blow-up with logarithmic nonlinearities" . Journal of Differential Equations, vol. 240, no. 1, 2007, pp. 196-215.
http://dx.doi.org/10.1016/j.jde.2007.05.004
---------- VANCOUVER ----------
Ferreira, R., de Pablo, A., Rossi, J.D. Blow-up with logarithmic nonlinearities. J. Differ. Equ. 2007;240(1):196-215.
http://dx.doi.org/10.1016/j.jde.2007.05.004