Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/46217
Title: Sufficient and necessary initial mass conditions for the existence of a waiting time in nonlinear-convection processes
Authors: Alvarez, L 
Diaz, J. I.
UNESCO Clasification: 1206 Análisis numérico
120601 Construcción de algoritmos
120602 Ecuaciones diferenciales
Issue Date: 1991
Journal: Journal of Mathematical Analysis and Applications 
Abstract: We study the initial behavior of the fronts (for interfaces) generated by the solutions of the equation ut = (um)xx + b(uλ)x, where m, b, λ > 0 are real numbers. We prove a mass comparison principle that allows us to give necessary and sufficient conditions in order to have waiting time at the fronts. Different regions in the (λ, m) parameter space must be introduced leading to answer of very different nature.
URI: http://hdl.handle.net/10553/46217
ISSN: 0022-247X
DOI: 10.1016/0022-247X(91)90008-N
Source: Journal of Mathematical Analysis and Applications [ISSN 0022-247X], v. 155 (2), p. 378-392
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