- Alexander I. Aptekarev, Rostyslav Kozhan, “Differential equations for the recurrence coefficients limits for multiple orthogonal polynomials from a Nevai class”, Journal of Approximation Theory, 255, 2020, 105409
- Sergey A. Denisov, Maxim L. Yattselev, “Spectral theory of Jacobi matrices on trees whose coefficients are generated by multiple orthogonality”, Advances in Mathematics, 396, 2022, 108114
- A. I. Aptekarev, “Weak and Strong Asymptotics of Orthogonal Polynomials with Varying Weight”, J Math Sci, 278, no. 2, 2024, 211
- Alexander I. Aptekarev, Sergey A. Denisov, Maxim L. Yattselev, 12, Extended Abstracts Fall 2019, 2021, 17
- Aleksey Kostenko, Mark Malamud, Noema Nicolussi, “A Glazman–Povzner–Wienholtz theorem on graphs”, Advances in Mathematics, 395, 2022, 108158
- Alexander Ivanovich Aptekarev, Rostyslav Kozhan, “Differential equations for the radial limits in Z<sub>+</sub><sup>2</sup>
of the solutions of a discrete integrable system”, KIAM Prepr., no. 214-e, 2018, 1
- Grzegorz Świderski, Walter Van Assche, “Christoffel functions for multiple orthogonal polynomials”, Journal of Approximation Theory, 283, 2022, 105820
- Alexander Aptekarev, Alexander Dyachenko, Vladimir Lysov, “On Perfectness of Systems of Weights Satisfying Pearson’s Equation with Nonstandard Parameters”, Axioms, 12, no. 1, 2023, 89
- Amílcar Branquinho, Ana Foulquié-Moreno, Manuel Mañas, “Spectral theory for bounded banded matrices with positive bidiagonal factorization and mixed multiple orthogonal polynomials”, Advances in Mathematics, 434, 2023, 109313
- A. I. Aptekarev, V. G. Lysov, “Multilevel interpolation for Nikishin systems and boundedness of Jacobi matrices on binary trees”, Russ. Math. Surv., 76, no. 4, 2021, 726