Differentiable perturbation of unbounded operators

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dc.creatorKriegl, Andreas
dc.creatorMichor, Peter W.
dc.date2002-04-04
dc.date2003-04-07
dc.date.accessioned2026-07-07T04:47:27Z
dc.date.available2026-07-07T04:47:27Z
dc.descriptionIf $A(t)$ is a $C^{1,\al}$-curve of unbounded self-adjoint operators with compact resolvents and common domain of definition, then the eigenvalues can be parameterized $C^1$ in $t$. If $A$ is $C^\infty$ then the eigenvalues can be parameterized twice differentiable.
dc.descriptionamstex 9 pages. Some misprints corrected
dc.identifierhttps://arxiv.org/abs/math/0204060
dc.identifierhttp://arxiv.org/abs/math/0204060
dc.identifierMath. Ann. 327 (2003), 191 - 201
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/63718
dc.subjectFunctional Analysis
dc.subjectAnalysis of PDEs
dc.subjectSpectral Theory
dc.subject47A55; 47A75
dc.titleDifferentiable perturbation of unbounded operators
dc.typetext

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