Infinite Jacobi Matrices with Unbounded Entries: Asymptotics of Eigenvalues and the Transformation Operator Approach. - Jan Janas; Serguei Naboko (SIAM J. Math. Anal., 2004)

The asymptotic behavior of eigenvalues of a modified Jaynes-Cummings model. - Anne Boutet de Monvel; Serguei Naboko; Luis O. Silva (Asymptot. Anal., 2006)

Unbounded Jacobi matrices at critical coupling. - David Damanik; Serguei Naboko (J. Approx. Theory, 2007)

Discrete spectrum in a critical coupling case of Jacobi matrices with spectral phase transitions by uniform asymptotic analysis. - Serguei Naboko; Irina Pchelintseva; Luis O. Silva (J. Approx. Theory, 2009)

The essential spectrum of some unbounded Jacobi matrices: A generalization of the Last-Simon approach. - Anne Boutet de Monvel; Jan Janas; Serguei Naboko (J. Approx. Theory, 2018)