Geodesic
Approximation of eigenvalues of nonselfadjoint problems on an infinite interval
Mathematica Applicanda, Tome 7 (1979) no. 14, pp. 71-77.

Voir la notice de l'article provenant de la source Annales Societatis Mathematicae Polonae Series

The author treats the problem of approximation of the eigenvalues of the nonselfadjoint problem Lu=λu, u(0)=0, u∈L2(0,∞), where L=−d2/dt2+p(x), domL={u∈L2(0,∞):du/dt continuous, d2u/dt2∈L2(0,∞), u(0)=0}. The same question for a selfadjoint problem was answered in the author's recent paper.
DOI : 10.14708/ma.v7i14.1432
Classification : 34B05(34G10 65L15)
Mots-clés : Linear boundary value problems,Linear equations,Eigenvalue problems 
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Teresa Regińska. Approximation of eigenvalues of nonselfadjoint problems on an infinite interval. Mathematica Applicanda, Tome 7 (1979) no. 14, pp.  71-77. doi : 10.14708/ma.v7i14.1432. http://geodesic.mathdoc.fr/articles/10.14708/ma.v7i14.1432/

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