Polyakov, Dmitry M. Spectral analysis of an even order differential operator with square integrable potential. (English) Zbl 07782122 Math. Methods Appl. Sci. 46, No. 5, 5483-5504 (2023). Reviewer: Mohammed El Aïdi (Bogotá) MSC: 47A75 47A10 34L10 × Cite Format Result Cite Review PDF Full Text: DOI
Polyakov, D. M. Estimates of spectral gap lengths for Schrödinger and Dirac operators. (English. Russian original) Zbl 07208669 Differ. Equ. 56, No. 5, 585-594 (2020); translation from Differ. Uravn. 56, No. 5, 595-604 (2020). MSC: 47-XX 34-XX × Cite Format Result Cite Review PDF Full Text: DOI
Polyakov, D. M. A one-dimensional Schrödinger operator with square-integrable potential. (English. Russian original) Zbl 06935975 Sib. Math. J. 59, No. 3, 470-485 (2018); translation from Sib. Mat. Zh. 59, No. 3, 596-615 (2018). MSC: 47-XX 34-XX × Cite Format Result Cite Review PDF Full Text: DOI