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Published February 20, 2003 | Submitted
Journal Article Open

Stability of singular spectral types under decaying perturbations

Abstract

We look at invariance of a.e. boundary condition spectral behavior under perturbations, W, of half-line, continuum or discrete Schrödinger operators. We extend the results of del Rio, Simon, Stolz from compactly supported W's to suitable short-range W. We also discuss invariance of the local Hausdorff dimension of spectral measures under such perturbations.

Additional Information

© 2002 Elsevier Science. Received 15 October 2001, Revised 27 June 2002, Accepted 3 July 2002, Available online 7 January 2003. Supported in part by NSF Grant DMS-0102554 and by an Alfred P. Sloan fellowship. Supported in part by The Israel Science Foundation Grant 447/99 and by an Allon fellowship. Supported in part by NSF Grant DMS-9707661.

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