A Geometrie Proof of the Spectral Theorem for Unbounded Self-Adjoint Operators.
Wüst's Theorem and Positively Perturbed Schrödinger Operators.
Schrödingers Operators with Singular Magnetic Vector Potentials.
On overdetermined Hardy inequalities
Necessary and sufficient condition on the weights will be derived under which a -th order Hardy inequality holds on classes of functions satisfying more than “boundary” conditions.
Coupled string-beam equations as a model of suspension bridges
We consider nonlinearly coupled string-beam equations modelling time-periodic oscillations in suspension bridges. We prove the existence of a unique solution under suitable assumptions on certain parameters of the bridge.
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