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math.SP2021
Criteria for the Absolutely Continuous Spectral Components of matrix-valued Jacobi operators
Fabricio Vieira Oliveira, Silas L. Carvalho
We extend in this work the Jitomirskaya-Last inequality and Last-Simoncriterion for the absolutely continuous spectral component of a half-line Schrödinger operator to the special…
math-ph2021★ 1 cited
Kotani Theory for ergodic matrix-like Jacobi operators
Fabrício Vieira Oliveira, Silas L. Carvalho
We extend the so-called Kotani Theory for a particular class of ergodic matrix-like Jacobi operators defined in by the law $[H_ω \textbf{u}]_{n}…