Perturbation theory for a polyharmonic operator with nonsmooth periodic potential

DOI10.1007/BF01101120zbMath0724.47022MaRDI QIDQ757808

Yulia E. Karpeshina

Publication date: 1991

Published in: Journal of Soviet Mathematics (Search for Journal in Brave)

zbMATH Keywords

perturbationspolyharmonic operator with non-smooth periodic potential

Mathematics Subject Classification ID

Spectrum, resolvent (47A10) Perturbation theory of linear operators (47A55) General theory of partial differential operators (47F05)

Cites Work

• Milnor numbers of nonisolated Saito singularities
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