Lunyov, Anton A. Criterion of Bari basis property for \(2 \times 2\) Dirac-type operators with strictly regular boundary conditions. (English) Zbl 1528.34070 Math. Nachr. 296, No. 9, 4125-4151 (2023). Reviewer: A. S. Makin (Moskva) MSC: 34L10 34L15 34L40 34B05 35L20 47E05 × Cite Format Result Cite Review PDF Full Text: DOI arXiv
Lunyov, Anton A.; Malamud, Mark M. Stability of spectral characteristics of boundary value problems for \(2 \times 2\) Dirac type systems: applications to the damped string. (English) Zbl 1498.34229 J. Differ. Equations 313, 633-742 (2022). MSC: 34L40 34B09 34L05 47A55 35L20 × Cite Format Result Cite Review PDF Full Text: DOI