Sanchez-Palencia, E.; Lobo-Hidalgo, M. Perturbation of spectral properties for a class of stiff problems. (English) Zbl 0448.35078 Computing methods in applied sciences and engineering, Proc. 4th int. Symp., Versailles 1979, 683-697 (1980). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 3 Documents MSC: 35P05 General topics in linear spectral theory for PDEs 35J99 Elliptic equations and elliptic systems 35B20 Perturbations in context of PDEs Keywords:perturbation; eigenvalues; spectral family; spectral properties of elliptic problems; distributions; vibration problems Citations:Zbl 0426.00012 PDF BibTeX XML OpenURL