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arXiv 2107.04065math.OCmath.AP
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退化heat equation的边界零能控性作为其内部能控性的极限

Boundary null controllability of degenerate heat equation as the limit of internal controllability

Bruno Sérgio V. Araújo, Reginaldo Demarque, Luiz Viana

摘要:

本文通过分析一类合格的状态控制对$((u_{\varepsilon}, h_{\varepsilon}))_{\varepsilon >0}$解相应的奇异摄动内部零能控性问题的渐近性态,恢复了退化热方程的边界零能控性.在文献中研究的其他情况下,我们的方法依赖于Carleman估计和细致的弱收敛结果。然而,对于退化抛物情形,必须得到一些特殊的迹算子不等式,以正确地证明极限论证的通过。

英文摘要:

In this paper, we recover the boundary null controllability for the degenerate heat equation by analyzing the asymptotic behavior of an eligible family of state-control pairs $((u_{\varepsilon}, h_{\varepsilon}))_{\varepsilon >0}$ solving corresponding singularly perturbed internal null controllability problems. As in other situations studied in the literature, our approach relies on Carleman estimates and meticulous weak convergence results. However, for the degenerate parabolic case, some specific trace operator inequalities must be obtained, in order to justify correctly the passage to the limit argument.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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