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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

Problemas parabólicos com resultados tipo Fujita em domínios arbitrários

MALDONADO, Ricardo Donato Castillo 19 February 2016 (has links)
Submitted by Fabio Sobreira Campos da Costa (fabio.sobreira@ufpe.br) on 2016-07-22T13:22:56Z No. of bitstreams: 2 license_rdf: 1232 bytes, checksum: 66e71c371cc565284e70f40736c94386 (MD5) Tese-Ricardo-Castillo.pdf: 814247 bytes, checksum: 0f3a9a10694a3324cae6464d5e29a2f6 (MD5) / Made available in DSpace on 2016-07-22T13:22:56Z (GMT). No. of bitstreams: 2 license_rdf: 1232 bytes, checksum: 66e71c371cc565284e70f40736c94386 (MD5) Tese-Ricardo-Castillo.pdf: 814247 bytes, checksum: 0f3a9a10694a3324cae6464d5e29a2f6 (MD5) Previous issue date: 2016-02-17 / Estudamos condições de existência e não existência de soluções globais para um sistema acoplado de equações parabólicas não lineares e para um problema parabólico com expoente variável. Em ambos os casos, consideramos um domínio arbitrário de RN com fronteira regular e com condições de Dirichlet na fronteira. Como consequência destes resultados é possível determinar o coe ciente de Fujita destes problemas. / We study conditions for existence and non existence of global solutions for a nonlinear coupled parabolic systems and for parabolic problem with variable exponent. In both cases, we consider an arbitrary domain of RN with smooth boundary and Dirichlet condition on the boundary. As consequence of these results is possible to determinate the Fujita's exponent of ones.

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