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Multiplicity results for logarithmic double phase problems via Morse theory

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Autor(es):
Radulescu, Vicentiu D. ; Stapenhorst, Matheus F. ; Winkert, Patrick
Número total de Autores: 3
Tipo de documento: Artigo Científico
Fonte: BULLETIN OF THE LONDON MATHEMATICAL SOCIETY; v. N/A, p. 24-pg., 2025-09-12.
Resumo

In this paper, we study elliptic equations of the form where is the logarithmic double phase operator given by is Euler's number, , , is a bounded domain with Lipschitz boundary , , with , and . Under mild assumptions on the nonlinearity we prove multiplicity results for the problem above and get two constant sign solutions and another third nontrivial solution. This third solution is obtained by using the theory of critical groups. As a result of independent interest, we show that every weak solution of the problem above is essentially bounded. (AU)

Processo FAPESP: 23/06617-1 - EDPs elípticas quasilineares envolvendo o operador (1,q)-laplaciano e o operador double phase
Beneficiário:Marcos Tadeu de Oliveira Pimenta
Modalidade de apoio: Auxílio à Pesquisa - Regular
Processo FAPESP: 22/15727-2 - Problemas elípticos quasilineares singulares envolvendo o operador 1-laplaciano
Beneficiário:Matheus Frederico Stapenhorst
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Processo FAPESP: 21/12773-0 - Problemas singulares quasilineares elípticos envolvendo os operadores 1-laplaciano e curvatura-média
Beneficiário:Matheus Frederico Stapenhorst
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