Utilize este identificador para referenciar este registo:
http://hdl.handle.net/10174/7910
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Título: | Non ordered lower and upper solutions to fourth order functional BVP |
Autor(es): | Cabada, Alberto Fialho, João Minhós, Feliz |
Palavras Chave: | Higher order problems, functional boundary value problems, |
Data: | Jan-2012 |
Editora: | American Institute of Mathematical Sciences |
Resumo: | In this paper, given a L1-Carath éodory
function, it is considered the functional fourth order equation
u^(iv) (x) = f(x; u; u'; u'' (x) ; u''' (x))
together with the nonlinear functional boundary conditions
L_0(u; u'; u''; u (a)) = 0 = L_1(u; u'; u''; u' (a))
L_2(u; u'; u''; u'' (a) ; u''' (a)) = 0 = L_3(u; u'; u''; u'' (b) ; u''' (b)):
Here L_i, i = 0; 1; 2; 3, are continuous functions satisfying some adequate
monotonicity assumptions.
It will be proved an existence and location result in presence of non ordered
lower and upper solutions and without monotone assumptions on the right
hand side of the equation. |
URI: | http://hdl.handle.net/10174/7910 |
Tipo: | article |
Aparece nas Colecções: | CIMA - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica
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