Selected recent publications

 1. Blaschke-type conditions on unbounded domains, generalized convexity, and applications in perturbation theory (with S. Favorov), Revista Matematica Iberoamericana, 31 no. 1 (2015), 1--32. pdf

2. Schoenberg matrices of radial positive defnite functions and Riesz sequences of translates in L2(Rn),
(with M. Malamud and L. Oridoroga), Journal of Fourier Anal. Appl., 21 no. 5 (2015), 915--960.  pdf

3. Spectra of infinite graphs with tails, Linear and Multilinear Algebra, 64 no. 11 (2016), 2270--2296. pdf

4. On non-selfadjoint perturbations of infinite band Schrodinger operators and Kato method (with S. Kupin), In: Proceedings of the conference "Harmonic Analysis, Function Theory, Operator Theory and Applications. Bordeaux, 2015", Theta Foundation, Bucarest, 2017, pp. 171-182. pdf

5. On a local Darlington synthesis problem, Complex Anal. Oper. Theory, 12, no. 4 (2018), 869--876. pdf

6. On zeros of analytic functions satisfying non-radial growth conditions (with A. Borichev and S. Kupin), Rev. Mat. Iberoam., 34, no. 3 (2018), 1153--1176. pdf

7. On stability in the Borg-Hochstadt theorem for periodic Jacobi matrices, Journal of Spectral Theory 9, no.4 (2019), 1507-1521.  pdf

8. Orthogonal Polynomials on the Unit Circle, In: Encyclopedia of Special Functions, The Askey--Bateman Project, v.1: Univariate Orthogonal Polynomials (Editors: M.E.H. Ismail, W. Van Assche), Cambridge University Press, Cambridge, 2020, 199-241.  pdf