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CURVES OF EQUIHARMONIC SOLUTIONS AND SOLVABILITY OF ELLIPTIC SYSTEMS

机译:椭圆型系统的等温解曲线和可解性

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We study solutions of the system Delta u + kf (v) = h(1)(x), x is an element of Omega, u = 0 for x is an element of partial derivative Omega Delta v + kg(u) = h(2)(x), x is an element of Omega, v = 0 for x is an element of partial derivative Omega on a bounded smooth domain Omega subset of R(n), with given functions f(t), g(t) is an element of C(2)(R), and h(1)(x), h(2)(x) is an element of L(2)(Omega). When the parameter k = 0, the problem is linear, and uniquely solvable. We continue the solutions in k on curves of equiharmonic solutions. We show that in the absence of resonance the problem is solvable for any hi (x), h2(x) E L2(Q), while in the case of resonance we develop necessary and sufficient conditions for existence of solutions of E.M. Landesman and A.C. Lazer [12] type, and sufficient conditions for existence of solutions of D.G. de Figueiredo and W.-M. Ni [7] type. Our approach is constructive, and computationally efficient.
机译:我们研究系统Delta u + kf(v)= h(1)(x)的解,x是Omega的元素,u = 0对于x是偏导数Omega Delta v + kg(u)= h的元素(2)(x),x是Omega的元素,v = 0,因为x是R(n)有界光滑域Omega子集上偏导数Omega的元素,具有给定函数f(t),g(t )是C(2)(R)的元素,而h(1)(x),h(2)(x)是L(2)Omega的元素。当参数k = 0时,问题是线性的,并且可以唯一解决。我们在等谐解的曲线上继续k中的解。我们表明,在没有共振的情况下,任何hi(x),h2(x)E L2(Q)都可以解决问题,而在共振情况下,我们为EM Landesman和AC解决方案的存在开发了必要和充分的条件Lazer [12]类型,以及DG解的存在的充分条件de Figueiredo和W.-M. Ni [7]型。我们的方法是建设性的,并且计算效率很高。

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