Schrodinger operators — 1 articles found.

Towards an optimal result on unique continuation for solutions of Schrödinger operators

C. R. Math. Rep. Acad. Sci. Canada Vol. 30 (4) 2009, pp. 106–114
Vol.30 (4) 2008
D. Kinzebulatov Details
(Received: 2008-08-12 , Revised: 2008-09-16 )
(Received: 2008-08-12 , Revised: 2008-09-16 )

D. Kinzebulatov, Department of Mathematics, University of Toronto, Toronto, Ontario M5S 2E4; email: dkinzl@math.toronto.edu

Abstract/Résumé:

Towards an optimal result on unique continuation for solutions of Schrödinger operators Resume/Abstract: We establish the property of unique continuation (also known as quasianalyticity property for \(C^{\infty}\) functions) for functions \(u\) satisfying a differential inequality \(|\Delta u| \leq |V| \, |u|\) with potentials \(V\) from a wide class of functions (including locally \(L^{\frac{d}{2},\infty}(\mathbb{R}_d)\) spaces) for which the self-adjoint Schrödinger operator is well defined.

Motivating question: Is it true that for potentials \(V\), for which the self-adjoint Schrödinger operator is well defined, its eigenfunctions satisfy the unique continuation property?

On montre la propriété de l’extension unique (également connue comme quasianaliticité des fonctions \(C^{\infty}\)) des fonctions \(u\) qui satisfout l’inégalité differentiel \(|\Delta u| \leq |V| \, |u|\) avec des potentiels \(V\) d’une grande classe de fonctions (y compris des espaces \(L^{\frac{d}{2},\infty}(\mathbb{R}_d)\)) pour lesquelles l’opérateur auto-adjoint de Schrödinger est bien défini.

Pour motiver la question: est-ce que les fonctions propres de tous les potentiels \(V\) pour qui l’opérateur auto-adjoint de Schrödinger est bien défini satisfait la propriété d’extension unique?

Keywords: Schrodinger operators, unique continuation

AMS Subject Classification: Continuation and prolongation of solutions of PDE 35B60

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