Nicaise, Serge; Pignotti, Cristina Stability and instability results of the wave equation with a delay term in the boundary or internal feedbacks. (English) Zbl 1180.35095 SIAM J. Control Optim. 45, No. 5, 1561-1585 (2006). Cited in 2 ReviewsCited in 234 Documents MSC: 35B35 Stability in context of PDEs 35L05 Wave equation 93D15 Stabilization of systems by feedback 35L20 Initial-boundary value problems for second-order hyperbolic equations 35R10 Partial functional-differential equations Keywords:mixed Dirichlet-Neumann boundary condition; observability inequalities PDF BibTeX XML Cite \textit{S. Nicaise} and \textit{C. Pignotti}, SIAM J. Control Optim. 45, No. 5, 1561--1585 (2006; Zbl 1180.35095) Full Text: DOI OpenURL