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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

An obstacle problem for a fractional power of the Laplace operator

Schmäche, Christopher 16 November 2017 (has links)
In dieser Arbeit setzen wir uns mit der Ph.D. Thesis von Luis Silvestre auseinander, in welcher er das Hindernisproblem für den gebrochenen Laplace Operator behandelt hat. Das Ziel war es seine Arbeit nachzuvollziehen und seine Beweise vollständig auszuformulieren. Dabei haben wir uns auf die Existenz der Lösung und erste Regularitätsresultate beschränkt.
2

Equações elipticas envolvendo o operador 1/2 -Laplaciano e crescimento exponencial

Nascimento, Rossane Gomes 30 July 2015 (has links)
Submitted by Maike Costa (maiksebas@gmail.com) on 2016-03-31T11:50:13Z No. of bitstreams: 1 arquivototal.pdf: 862531 bytes, checksum: 12bbf225d527fa4e802f15f051e89d88 (MD5) / Made available in DSpace on 2016-03-31T11:50:13Z (GMT). No. of bitstreams: 1 arquivototal.pdf: 862531 bytes, checksum: 12bbf225d527fa4e802f15f051e89d88 (MD5) Previous issue date: 2015-07-30 / Conselho Nacional de Pesquisa e Desenvolvimento Científico e Tecnológico - CNPq / In this work, we study the existence and multiplicity of weak solutions to a class of elliptic problems involving the 1=2-Laplacian operator and a nonlinearity that can has subcritical or critical exponential growth in the Trudinger-Moser sense. For this, as tools, we explore a suitable Trundiger-Moser type inequality for the fractional Sobolev space H1=2(R) and the Mountain Pass Theorem. / Neste trabalho, estudamos a existência e multiplicidade de soluções fracas para uma classe de problemas elípticos que envolve o operador 1=2-Laplaciano e uma na olinearidade que pode ter crescimento exponencial subcrí tico ou crí tico no sentido de Trudinger-Moser. Para isso, como ferramentas, exploramos uma adequada desigualdade do tipo Trundiger-Moser para o espa ço de Sobolev fracion ário H1=2(R) e o Teorema do Passo da Montanha.

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