most citedOn the Measure of the Absolutely Continuous Spectrum for Jacobi Matrices

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math.SP2010★ 5 cited

On the Measure of the Absolutely Continuous Spectrum for Jacobi Matrices

Mira Shamis, Sasha Sodin

We apply the methods of classical approximation theory (extreme properties of polynomials) to study the essential support of the absolutely continuous spectrum of Jacobi m…