Riesz basis generation and boundary stabilization of two strings connected by a point mass with variable coefficients
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DOI: 10.1002/mma.6043
Abstract: In this paper, we study the Riesz basis property and the problem of stabilization of two vibrating strings connected by a point mass with variable physical coefficients under a boundary feedback control acts at one… read more here.
Keywords: riesz basis; basis; connected point; stabilization two ... See more keywords
Riesz Basis of Eigenvectors for Analytic Families of Operators and Application to a Non-symmetrical Gribov Operator
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DOI: 10.1007/s00009-018-1265-y
Abstract: In the present paper, we are mainly concerned with the existence of a Riesz basis related to the Gribov operator $$\begin{aligned} A^{*2}A^2+\varepsilon (A^* A + A^* (A + A^* )A), \end{aligned}$$A∗2A2+ε(A∗A+A∗(A+A∗)A),where $$\varepsilon \in \mathbb {C}$$ε∈C;… read more here.
Keywords: riesz basis; operator; basis eigenvectors; gribov operator ... See more keywords