1. Szego difference equations, transfer matrices and orthogonal polynomials on the unit circle (with P. Nevai), Comm. Math. Phys., 223 (2001), 223-259.

2. On limit sets for the discrete spectrum of complex Jacobi matrices (with I. Egorova), Mat. Sborn., 196 no.6 (2005), 43-70.   pdf

3. On the location of the discrete spectrum for complex Jacobi matrices (with I. Egorova), Proc. AMS, 133 no.12 (2005), 3635-3641.   pdf

4. Lieb-Thirring and Bargmann-type inequalities for circular arc, Journal of Approx. Theory, 139 (2006), 65-74.    pdf

5. Schur flows and orthogonal polynomials on the unit circle, Mat. Sbornik, 197 no.8 (2006), 41-62.   pdf

6. Coefficients of orthogonal polynomials on the unit circle and higher-order Szego theorems (with A. Zlatos), Constractive Approx., 26 (2007), 361-382.    pdf

7. Orthogonal polynomials: from Jacobi to Simon (with V. Totik),
Proceedings of Symposia in Pure Mathematics, 76.2 (2007), 821-874.   pdf