Quasilinear Problems
Mostrando 1-10 de 10 artigos, teses e dissertações.
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1. Numerical solution of the variational PDEs arising in optimal control theory
An iterative method based on Picard's approach to ODEs' initial-value problems is proposed to solve first-order quasilinear PDEs with matrix-valued unknowns, in particular, the recently discovered variational PDEs for the missing boundary values in Hamilton equations of optimal control. As illustrations the iterative numerical solutions are checked against t
Computational & Applied Mathematics. Publicado em: 2012
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2. Existence and concentration of solutions for quasilinear Schrodinger equations / Existencia e concentração de soluções para equações de Schrodinger qase-lineares
In this work we study questions related with existence and concentration of positive solutions for some classes of quasilinear elliptic problems. To obtain our results we use a variational method that allows us to study solutions of the "single-peak" and "multiple-peak" type for a more general class of nonlinearities which do not satisfy necessarily the Ambr
Publicado em: 2010
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3. Soluções tipo blow-up para equações elípticas quasilineares com termo semilinear satisfazendo a condição de Keller-Osserman
Neste trabalho estudamos existência de soluções C1 (no sentido das distribuições) para problemas do tipo {∆pu=F(x,u)+λV (x,y)|∇u|σ em Ω,} u≥ 0 em Ω; u (x) x→∂Ω → ∞, onde Ω ⊂RN é um domínio (possivelmente não limitado), 1
Publicado em: 2010
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4. Existência de múltiplas soluções para classes de problemas elípticos com função peso mudando de sinal em domínios ilimitados
The aim of this work is to give some suficient conditions for the existence and multiplicity of the solutions for a class of elliptic problems with sign-changing weight function in unbounded domains, using for this variational techniques. Specifically, in the semilinear case we use the minimization arguments on the Nehari manifold. For the quasilinear case,
Publicado em: 2009
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5. Multiplicidade de soluções nodais para problemas elipticos quasilineares
The objective of this work is to investigate the number of solutions which change sign exactly once for some classes of quasilinear elliptic problems. We consider three type of problems: subcritical in a bounded domain or in the whole space Rn, and a critical problem in a bounded domain. In alI of them, the number of solutions is related with the equivariant
Publicado em: 2004
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6. Estudo e implementação de um controlador preditivo generalizado bilinear compensado adaptativo
The present work presents the study and implementation of an adaptive bilinear compensated generalized predictive controller. This work uses conventional techniques of predictive control and includes techniques of adaptive control for better results. In order to solve control problems frequently found in the chemical industry, bilinear models are considered
Publicado em: 2003
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7. VARIATIONAL BOUNDARY VALUE PROBLEMS FOR QUASI-LINEAR ELLIPTIC EQUATIONS, II*
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8. VARIATIONAL BOUNDARY VALUE PROBLEMS FOR QUASI-LINEAR ELLIPTIC EQUATIONS, III*
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9. VARIATIONAL BOUNDARY VALUE PROBLEMS FOR QUASI-LINEAR ELLIPTIC EQUATIONS OF ARBITRARY ORDER
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10. Pseudo-monotone operators and nonlinear elliptic boundary value problems on unbounded domains
A general boundary value problem of variational type is considered for a general quasi-linear elliptic partial differential operator of order 2m in generalized divergence form. Such problems are considered on an arbitrary domain in a Euclidean space without hypotheses of boundedness on the domain or smoothness on its boundary. Contrary to the prevailing doct