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arXiv 1503.01911math.AP
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带约束的强阻尼wave equation

On the strongly damped wave equation with constraint

Elena Bonetti, Elisabetta Rocca, Riccardo Scala, Giulio Schimperna

摘要:

引入了所谓的“带约束的半线性强阻尼波动方程”的弱形式,并定义了相应的解的概念。这种方法的主要思想是在Sobolev-Bochner空间中使用对偶技术,旨在提供一个合适的“放松”的约束项。在初始数据具有有限“物理”能量的自然条件下,证明了一个整体时间存在性结果。

英文摘要:

A weak formulation for the so-called "semilinear strongly damped wave equation with constraint" is introduced and a corresponding notion of solution is defined. The main idea in this approach consists in the use of duality techniques in Sobolev-Bochner spaces, aimed at providing a suitable "relaxation" of the constraint term. A global in time existence result is proved under the natural condition that the initial data have finite "physical" energy.

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