2014
DOI: 10.1007/s10884-014-9382-1
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Stability Results for Second-Order Evolution Equations with Switching Time-Delay

Abstract: We consider second-order evolution equations in an abstract setting with intermittently delayed/not-delayed damping. We give sufficient conditions for asymptotic and exponential stability, improving and generalising our previous results from [19]. In particular, under suitable conditions, we can consider unbounded damping operators. Some concrete examples are finally presented.2000 Mathematics Subject Classification: 35L05, 93D15

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Cited by 10 publications
(21 citation statements)
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“…Here we extend the results of [22,23] to nonlinear models but also we significantly improve some results there proved. Indeed, we are able to remove an assumption (see (2.14) below) on the feedback bounds obtaining more general results also in the linear case.…”
Section: Introductionsupporting
confidence: 75%
See 2 more Smart Citations
“…Here we extend the results of [22,23] to nonlinear models but also we significantly improve some results there proved. Indeed, we are able to remove an assumption (see (2.14) below) on the feedback bounds obtaining more general results also in the linear case.…”
Section: Introductionsupporting
confidence: 75%
“…f ≡ 0) we can improve previous results given in [23] by removing the assumption (2.14) on the coefficients. As in [23] we can determine more explicitely, in terms of the coefficients T 2n , m 2n , M 2n , the constantd n of Proposition 3.10, for all n ∈ IN .…”
Section: Localized Damping: the Linear Casesupporting
confidence: 64%
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“…Under the assumptions of point 1 of Remark 4.2 and the additional assumptions of this subsection, the observability estimate for the associated conservative system has been recently proved by the authors (see [22], Theorem 6.1).…”
Section: Remark 62mentioning
confidence: 90%
“…On the contrary, in previous stability results for damped wave equation and intermittent delay feedback (see e.g. [24,9]) the set ω 2 has to be a subset of ω 1 . On the other hand, now the standard (not delayed) frictional damping is always present in time while in the quoted papers it is on-off like the delay feedback and it acts only on the complementary time intervals with respect to this one.…”
Section: Locally Damped Wave Equation Equationmentioning
confidence: 95%