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首页> 外文期刊>Israel Journal of Mathematics >Regular boundary value problems with a discontinuous coefficient, functional-multipoint conditions, and a linear spectral parameter
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Regular boundary value problems with a discontinuous coefficient, functional-multipoint conditions, and a linear spectral parameter

机译:具有不连续系数,函数多点条件和线性谱参数的规则边值问题

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摘要

We consider a linear differential equation which includes a linear abstract operator, with a piecewise constant coefficient at the principal differential term, together with multipoint boundary-transmission conditions, including linear functionals. The spectral parameter appears linearly in the equation and may appear also linearly in the boundary-transmission conditions. We prove an isomorphism and coerciveness of the problem with respect to the spectral parameter and the space variable.
机译:我们考虑一个线性微分方程,其中包括一个线性抽象算子,在主微分项处具有分段常数,以及多点边界传递条件,包括线性泛函。光谱参数在方程式中呈线性出现,并且在边界透射条件下也可能呈线性出现。关于谱参数和空间变量,我们证明了该问题的同构和强制性。

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