具有混合边界条件的弱耦合系统的间接镇定
Indirect stabilization of weakly coupled systems with hybrid boundary conditions
AI总结:
本文研究希尔伯特空间中具有新兼容性假设的间接阻尼演化系统的稳定性,通过插值技术证明能量多项式衰减并优化结果,得到全范围幂律衰减率,并应用于具有混合边界条件的双曲系统。
摘要:
我们研究了希尔伯特空间中具有新兼容性假设的间接阻尼演化系统的稳定性性质。我们证明了解的能量多项式衰减,并通过插值技术优化结果,获得了全范围的幂律衰减率。特别地,我们给出了关于初始数据的显式估计。我们讨论了具有{\em 混合}边界条件的双曲系统的几个应用,包括分别受Dirichlet和Robin型边界条件约束的两个波动方程的耦合。
英文摘要:
We investigate stability properties of indirectly damped systems of evolution equations in Hilbert spaces, under new compatibility assumptions. We prove polynomial decay for the energy of solutions and optimize our results by interpolation techniques, obtaining a full range of power-like decay rates. In particular, we give explicit estimates with respect to the initial data. We discuss several applications to hyperbolic systems with {\em hybrid} boundary conditions, including the coupling of two wave equations subject to Dirichlet and Robin type boundary conditions, respectively.
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