Kotani–Last problem and Hardy spaces on surfaces of Widom type

A. Volberg, P. Yuditskii

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Abstract

This is a small theory of non almost periodic ergodic families of Jacobi matrices with purely (however) absolutely continuous spectrum. The reason why this effect may happen is that under our “axioms” we found an analytic condition on the resolvent set that is responsible for (exactly equivalent to) this effect.

Original languageEnglish
Pages (from-to)683-740
Number of pages58
JournalInventiones Mathematicae
Volume197
Issue number3
DOIs
StatePublished - 1 Sep 2014
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2013, Springer-Verlag Berlin Heidelberg.

Funding

A. Volberg is supported by NSF grant DMS 0758552 and DMS1265549, he also thanks the J. Kepler University of Linz for the hospitality during his visit in summer 2012. P. Yuditskii is supported by the Austrian Science Fund FWF, project no: P25591-N18.

FundersFunder number
National Sleep FoundationDMS 0758552, DMS1265549
Austrian Science FundP25591-N18

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