Bailey, Rachel; Derevyagin, Maxim Complex Jacobi matrices generated by Darboux transformations. (English) Zbl 1515.42019 J. Approx. Theory 288, Article ID 105876, 33 p. (2023). Reviewer: Lotfi Khériji (Tunis) MSC: 42C05 33C45 47B36 47B28 15A23 PDFBibTeX XMLCite \textit{R. Bailey} and \textit{M. Derevyagin}, J. Approx. Theory 288, Article ID 105876, 33 p. (2023; Zbl 1515.42019) Full Text: DOI arXiv
Derevyagin, Maxim; Minenkova, Anastasiia; Sun, Nathan A theorem of Joseph-Alfred Serret and its relation to perfect quantum state transfer. (English) Zbl 1476.30018 Expo. Math. 39, No. 3, 480-499 (2021). MSC: 30B70 PDFBibTeX XMLCite \textit{M. Derevyagin} et al., Expo. Math. 39, No. 3, 480--499 (2021; Zbl 1476.30018) Full Text: DOI arXiv
Derevyagin, Maxim; Perotti, Luca; Wojtylak, Michał Truncations of a class of pseudo-Hermitian tridiagonal matrices. (English) Zbl 1383.47005 J. Math. Anal. Appl. 438, No. 2, 738-758 (2016). MSC: 47B50 47A57 47A58 47A10 47A50 47A53 PDFBibTeX XMLCite \textit{M. Derevyagin} et al., J. Math. Anal. Appl. 438, No. 2, 738--758 (2016; Zbl 1383.47005) Full Text: DOI arXiv
Derevyagin, Maxim Spectral theory of the \(G\)-symmetric tridiagonal matrices related to Stahl’s counterexample. (English) Zbl 1309.42033 J. Approx. Theory 191, Part A, 58-70 (2015). Reviewer: Francisco Marcellán (Leganes) MSC: 42C05 47B36 47B50 15A23 30B70 30E20 PDFBibTeX XMLCite \textit{M. Derevyagin}, J. Approx. Theory 191, 58--70 (2015; Zbl 1309.42033) Full Text: DOI arXiv
Derevyagin, Maxim The Jacobi matrices approach to Nevanlinna-Pick problems. (English) Zbl 1211.30048 J. Approx. Theory 163, No. 2, 117-142 (2011). MSC: 30E05 47A57 PDFBibTeX XMLCite \textit{M. Derevyagin}, J. Approx. Theory 163, No. 2, 117--142 (2011; Zbl 1211.30048) Full Text: DOI arXiv
Derevyagin, Maxim S.; Zhedanov, Alexei S. An operator approach to multipoint Padé approximations. (English) Zbl 1163.41002 J. Approx. Theory 157, No. 1, 70-88 (2009). Reviewer: Jacek Gilewicz (Marseille) MSC: 41A21 PDFBibTeX XMLCite \textit{M. S. Derevyagin} and \textit{A. S. Zhedanov}, J. Approx. Theory 157, No. 1, 70--88 (2009; Zbl 1163.41002) Full Text: DOI arXiv
Derevyagin, Maxim Generalized Jacobi operators in Krein spaces. (English) Zbl 1154.47026 J. Math. Anal. Appl. 349, No. 2, 568-582 (2009). Reviewer: Adhemar Bultheel (Leuven) MSC: 47B36 41A21 30B70 15A18 PDFBibTeX XMLCite \textit{M. Derevyagin}, J. Math. Anal. Appl. 349, No. 2, 568--582 (2009; Zbl 1154.47026) Full Text: DOI arXiv
Derevyagin, M. S.; Derkach, V. A. On the convergence of Padé approximations for generalized Nevanlinna functions. (English. Russian original) Zbl 1161.30025 Trans. Mosc. Math. Soc. 2007, 119-162 (2007); translation from Tr. Mosk. Mat. O.-va 68, 133-182 (2007). Reviewer: Florian-Horia Vasilescu (Villeneuve d’Ascq) MSC: 30E05 47A57 PDFBibTeX XMLCite \textit{M. S. Derevyagin} and \textit{V. A. Derkach}, Trans. Mosc. Math. Soc. 2007, 119--162 (2007; Zbl 1161.30025); translation from Tr. Mosk. Mat. O.-va 68, 133--182 (2007) Full Text: DOI
Derevyagin, M. S. Borg-type theorems for generalized Jacobi matrices. (English. Russian original) Zbl 1079.15016 Math. Notes 77, No. 4, 587-591 (2005); translation from Mat. Zametki 77, No. 4, 637-640 (2005). Reviewer: Václav Burjan (Praha) MSC: 15A29 15B57 PDFBibTeX XMLCite \textit{M. S. Derevyagin}, Math. Notes 77, No. 4, 587--591 (2005; Zbl 1079.15016); translation from Mat. Zametki 77, No. 4, 637--640 (2005) Full Text: DOI
Derevyagin, Maxim; Derkach, Vladimir Spectral problems for generalized Jacobi matrices. (English) Zbl 1053.15018 Linear Algebra Appl. 382, 1-24 (2004). Reviewer: Nicholas Karampetakis (Thessaloniki) MSC: 15B57 15A18 15A29 47B36 47B50 30B70 30E05 41A21 47A57 PDFBibTeX XMLCite \textit{M. Derevyagin} and \textit{V. Derkach}, Linear Algebra Appl. 382, 1--24 (2004; Zbl 1053.15018) Full Text: DOI