most citedAn example of spectral phase transition phenomenon in a class of Jacobi matrices with periodically modulated weights

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An example of spectral phase transition phenomenon in a class of Jacobi matrices with periodically modulated weights

Sergey Simonov

We consider self-adjoint unbounded Jacobi matrices with diagonal q_n=n and weights λ_n=c_n n, where c_n is a 2-periodical sequence of real numbers. The parameter space is decompose…