On the smoothness of gap boundaries for generalized Harper operators
classification
🧮 math-ph
math.MPmath.SP
keywords
harperoperatorsgeneralizedboundariesclassconcerningcontinuityextended
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Results concerning set theoretic continuity properties of the spectrum of the Harper operator are extended to a large class (generalized Harper operators (GHO)) of operators in $L^{2}(\bZ^{2})$.
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