共查询到20条相似文献,搜索用时 31 毫秒
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In this article we analyze existence and nonexistence of positive solutions to problem
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Stanislav Hencl 《Journal of Functional Analysis》2003,204(1):196-227
Let Ω be a bounded domain in . In the well-known paper (Indiana Univ. Math. J. 20 (1971) 1077) Moser found the smallest value of K such that
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Consider the problem
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Let Ω⊂R4 be a smooth oriented bounded domain, be the Sobolev space, and be the first eigenvalue of the bi-Laplacian operator Δ2. Then for any α: 0?α<λ(Ω), we have
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We deal with the following parabolic problem
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Boumediene Abdellaoui Magdalena Walias 《Nonlinear Analysis: Theory, Methods & Applications》2011,74(4):1355-1371
In this paper we consider the problem
(P) 相似文献
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This paper is concerned with the following Hamiltonian elliptic system
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Wenming Zou 《Journal of Functional Analysis》2005,219(2):433-468
In this paper, the Saddle-point theorems are generalized to a new version by showing that there exists a “sign-changing” saddle point besides zero. The abstract result is applied to the semilinear elliptic boundary value problem
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In this paper, we study the global existence and nonexistence of solutions to the following semilinear parabolic system
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The aim of this paper is to study necessary conditions for existence of weak solutions of the inequality
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Jianshe Yu 《Journal of Differential Equations》2009,247(2):672-684
Considered in this paper is the existence/nonexistence of periodic solutions with prescribed minimal periods to the classical forced pendulum equation,
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Minbo Yang 《Nonlinear Analysis: Theory, Methods & Applications》2010,72(5):2620-851
In this paper we consider the following Schrödinger equation:
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Mark S. Ashbaugh Fritz Gesztesy Marius Mitrea Gerald Teschl 《Advances in Mathematics》2010,223(4):1372-885
We study spectral properties for HK,Ω, the Krein-von Neumann extension of the perturbed Laplacian −Δ+V defined on , where V is measurable, bounded and nonnegative, in a bounded open set Ω⊂Rn belonging to a class of nonsmooth domains which contains all convex domains, along with all domains of class C1,r, r>1/2. In particular, in the aforementioned context we establish the Weyl asymptotic formula