Startseite Spectral properties and an inverse eigenvalue problem for non-symmetric systems of ordinary differential operators
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Spectral properties and an inverse eigenvalue problem for non-symmetric systems of ordinary differential operators

  • I. Trooshin EMAIL logo und M. Yamamoto EMAIL logo
Veröffentlicht/Copyright: 7. September 2013

Abstract

- We consider a nonsymmetric first-order differential operator , where P is a 2×2 matrix whose components are in L2(0, 1). We study an eigenvalue problem for A with boundary conditions at x = 0, 1. We establish an asymptotic form of the eigenvalues and prove that the set of the root vectors forms a Riesz basis in {L2(0, 1)}2. Moreover we show some characterization of L2-coefficients in an inverse eigenvalue problem. The key is a transformation formula.

Published Online: 2013-09-07
Published in Print: 2002-12

© 2013 by Walter de Gruyter GmbH & Co.

Heruntergeladen am 29.9.2025 von https://www.degruyterbrill.com/document/doi/10.1515/jiip.2002.10.6.643/html
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