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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

Multiplicidade global de soluções positivas de um sistema elíptico semilinear via métodos topológicos

Alves, Ricardo Lima 21 March 2014 (has links)
Dissertação (mestrado)—Universidade de Brasília, Instituto de Ciências Exatas, Departamento de Matemática, 2014. / Submitted by Albânia Cézar de Melo (albania@bce.unb.br) on 2014-06-03T14:52:24Z No. of bitstreams: 1 2014_RicardoLimaAlves.pdf: 788566 bytes, checksum: 5c890ae865c0d1000f7b682e6325eafc (MD5) / Approved for entry into archive by Guimaraes Jacqueline(jacqueline.guimaraes@bce.unb.br) on 2014-07-02T14:11:07Z (GMT) No. of bitstreams: 1 2014_RicardoLimaAlves.pdf: 788566 bytes, checksum: 5c890ae865c0d1000f7b682e6325eafc (MD5) / Made available in DSpace on 2014-07-02T14:11:07Z (GMT). No. of bitstreams: 1 2014_RicardoLimaAlves.pdf: 788566 bytes, checksum: 5c890ae865c0d1000f7b682e6325eafc (MD5) / Neste trabalho, utilizaremos o Grau Topológico de Leray-Schauder, um Teorema de Índice de Ponto Fixo em cone, um Teorema de sub-supersolução e o método de blow-up para provar um resultado de Multiplicidade Global de Soluções Positivas para uma classe de sistemas elípticos semilineares de equações diferenciais parciais. ______________________________________________________________________________ ABSTRACT / In this work we use the Leray-Schauder Topological degree, a Fixed Point Index theorem in cones, a sub-supersolution theorem and the blow-up method to prove a global result of Multiplicity of Positive Solutions for a class of semilinear elliptic systems of partial di erential equations.

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