A three critical points theorem and its applications to the ordinary Dirichlet problem
نویسندگان
چکیده
منابع مشابه
A Three Critical Points Theorem and Its Applications to the Ordinary Dirichlet Problem
The aim of this paper is twofold. On one hand we establish a three critical points theorem for functionals depending on a real parameter λ ∈ Λ, which is different from the one proved by B. Ricceri in [15] and gives an estimate of where Λ can be located. On the other hand, as an application of the previous result, we prove an existence theorem of three classical solutions for a two-point boundar...
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for the polynomial planar vector fields with a hyperbolic or nilpotent critical point at the origin, the monodromy problem has been solved, but for the strongly degenerate critical points this problem is still open. when the critical point is monodromic, the stability problem or the center- focus problem is an open problem too. in this paper we will consider the polynomial planar vector fields ...
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ژورنال
عنوان ژورنال: Topological Methods in Nonlinear Analysis
سال: 2003
ISSN: 1230-3429
DOI: 10.12775/tmna.2003.029