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Found 32 Documents (Results 1–32)

On some nonclassical features of a spectral problem for an elliptic operator with the condition that the oblique derivative be equal to zero. (English. Russian original) Zbl 0828.35087

Russ. Acad. Sci., Dokl., Math. 48, No. 3, 445-448 (1994); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 333, No. 2, 133-135 (1993).
MSC:  35P10 35P20 35J05
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Splitting a multiple eigenvalue in the boundary value problem for a membrane clamped on a small part of the boundary. (English. Russian original) Zbl 0827.35082

Sib. Math. J. 34, No. 3, 433-450 (1993); translation from Sib. Mat. Zh. 34, No. 3, 43-61 (1993).
Reviewer: G.Bottaro (Genova)
MSC:  35P05 35J05 35P10
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Finite element approximation of a degenerate eigenvalue problem. (English) Zbl 0795.65070

Lions, Jacques-Louis (ed.) et al., Boundary value problems for partial differential equations and applications. Dedicated to Enrico Magenes on the occasion of his 70th birthday. Paris: Masson. Res. Notes Appl. Math. 29, 393-398 (1993).
MSC:  65N25 65N30 35P15
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The wave equation method in the spectral theory of selfadjoint differential operators. (English) Zbl 0827.35085

Clément, Philippe (ed.) et al., Evolution equations, control theory, and biomathematics. 3rd international workshop-conference, held at the Han-sur-Lesse Conference Center of the Belgian Ministry of Education. Proceedings. Basel: Dekker. Lect. Notes Pure Appl. Math. 155, 319-326 (1993).
MSC:  35P10 47F05
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KAM theory and semiclassical approximations to eigenfunctions. With an addendum by A. I. Shnirelman. (English) Zbl 0814.58001

Ergebnisse der Mathematik und ihrer Grenzgebiete. 3. Folge. 24. Berlin: Springer-Verlag. ix, 387 p. (1993).
Reviewer: Y.Asoo (Okayama)
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