Kotani-Last problem and Hardy spaces on surfaces of Widom type
classification
🧮 math-ph
math.CVmath.MPmath.SP
keywords
effectabsolutelyalmostanalyticaxiomsconditioncontinuousequivalent
read the original abstract
It is a small theory of non almost periodic ergodic families of Jacobi matrices with pure (however) absolutely continuous spectrum. And the reason why this effect may happen: under our "axioms" we found an analytic condition on the resolvent set that is responsible for (exactly equivalent to) this effect.
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