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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Movimento de interface para duas equações de reação-difusão.

Biesdorf, João 26 February 2007 (has links)
Made available in DSpace on 2016-06-02T20:28:22Z (GMT). No. of bitstreams: 1 DissJB.pdf: 5904046 bytes, checksum: d2a04d44fa8ab2d2f00a0ffe27e5765e (MD5) Previous issue date: 2007-02-26 / Universidade Federal de Sao Carlos / In this work, following [15], we will use the technique of matched asymptotic expansions to study the movement of interface for the solutions of an advection-reaction- difuusion equations and the equation of reaction-difusion with spatially of inhomogeneous reaction term. We will get that the equations of such movements are equal. Also we will study a system of equations without the drift term and will compare the movement of its interfaces with the equation of the model of chemotaxis considered by Mimura and TsujiKawa [13] and [14]. Keywords: Asymptotic expansions, mean curvature motion. / Nesta dissertação, seguindo [15], usaremos a técnica de expansões assintóticas para estudar o movimento de interface para as soluções das equações de advecção-reação- difusão e a equação de reação-difusão com taxa de reação espacialmente não homogênea. Nisto obteremos que as equações de tais movimentos são iguais. Também estudaremos um sistema de equações sem o termo fllutuante e compara- remos o movimento de suas interfaces com a equação do modelo de chemotaxis proposto por Mimura e TsujiKawa [13] e [14].

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