On higher index differential-algebraic equations in infinite dimensions

On higher index differential-algebraic equations in infinite dimensions
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无限维中高指数微分代数方程

DOI:
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发表时间:
2017
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通讯作者:
M. Waurick
M. Waurick
中科院分区:
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文献类型:
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作者:
S. Trostorff;M. Waurick

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我们考虑可能无限维希尔伯特空间中微分代数方程的初值问题。假设相关算子铅笔的增长条件,我们证明了分布意义上的任意初始值解的存在性和唯一性。此外,我们为初始值构造了一个嵌套的子空间序列,以获得经典解。
We consider initial value problems for differential-algebraic equations in a possibly infinite-dimensional Hilbert space. Assuming a growth condition for the associated operator pencil, we prove existence and uniqueness of solutions for arbitrary initial values in a distributional sense. Moreover, we construct a nested sequence of subspaces for initial values in order to obtain classical solutions.