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Uniform stability of a family of resolvent operators in Hilbert spaces
Semigroup Forum ( IF 0.7 ) Pub Date : 2021-03-17 , DOI: 10.1007/s00233-021-10176-z
Shouguo Zhu , Zhenbin Fan , Gang Li

In this paper, two main results on the uniform stability of a resolvent family \(\{R_{h}(t)\}_{t\ge 0}\), depending on a parameter h are presented. First, we discuss a GGP type theorem on the resolvent family \(\{R_{h}(t)\}_{t\ge 0}\) and give some sufficient conditions on the uniform stability of \(\{R_{h}(t)\}_{t\ge 0}\). Then we prove that under some suitable conditions, the weak \(L^{p}\)-stability of \(\{R_{h}(t)\}_{t\ge 0}\) implies its uniform stability. Our results both essentially generalize previous work on the uniform stability of a family of \(C_{0}\)-semigroups \(\{T_{h}(t)\}_{t\ge 0}\) and a resolvent family \(\{R(t)\}_{t\ge 0}\), without depending on the parameter h. Examples are also given to illustrate our results.



中文翻译:

希尔伯特空间中一族解析子算子的一致稳定性

在本文中,根据参数h,给出了关于解析子族\(\ {R_ {h}(t)\} _ {t \ ge 0} \)的一致稳定性的两个主要结果。首先,我们讨论旋变族\(\ {R_ {h}(t)\} _ {t \ ge 0} \)上的GGP型定理,并为\(\ {R_ { h}(t)\} _ {t \ ge 0} \)。然后,我们证明了一些合适的条件下,弱\(L ^ {P} \)的-稳定性\(\ {R_ {H}(t)的\} _ {吨\ GE 0} \)意味着其一致稳定性。我们的结果基本上都概括了以前关于\(C_ {0} \)-半群\(\ {T_ {h}(t)\} _ {t \ ge 0} \)和解析子的一致稳定性的工作。家庭\(\ {R(t)\} _ {t \ ge 0} \),而不取决于参数h。还给出了一些例子来说明我们的结果。

更新日期:2021-03-17
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