Khanmamedov, A. Kh.; Orudjov, D. H. On transformation operators for the Schrödinger equation with an additional periodic complex potential. (English) Zbl 1525.34126 Bol. Soc. Mat. Mex., III. Ser. 29, No. 2, Paper No. 36, 11 p. (2023). Reviewer: Ekin Uğurlu (Ankara) MSC: 34L40 34B24 34B09 PDFBibTeX XMLCite \textit{A. Kh. Khanmamedov} and \textit{D. H. Orudjov}, Bol. Soc. Mat. Mex., III. Ser. 29, No. 2, Paper No. 36, 11 p. (2023; Zbl 1525.34126) Full Text: DOI
Behrndt, Jussi; ter Elst, A. F. M.; Gesztesy, Fritz The generalized Birman-Schwinger principle. (English) Zbl 07462172 Trans. Am. Math. Soc. 375, No. 2, 799-845 (2022). Reviewer: Davide Buoso (Alessandria) MSC: 47A53 47A56 47A10 47B07 47B12 PDFBibTeX XMLCite \textit{J. Behrndt} et al., Trans. Am. Math. Soc. 375, No. 2, 799--845 (2022; Zbl 07462172) Full Text: DOI arXiv
Khanmamedov, A. Kh.; Abbasova, Kh. E. On zeros of the modified Bessel function of the first kind. (English) Zbl 1482.34053 Azerb. J. Math. 11, No. 2, 176-182 (2021). MSC: 34A55 34B24 58C40 47E05 PDFBibTeX XMLCite \textit{A. Kh. Khanmamedov} and \textit{Kh. E. Abbasova}, Azerb. J. Math. 11, No. 2, 176--182 (2021; Zbl 1482.34053) Full Text: Link
Papanicolaou, Vassilis G. Periodic Jacobi operators with complex coefficients. (English) Zbl 1482.39027 J. Spectr. Theory 11, No. 2, 781-819 (2021). Reviewer: Roman Šimon Hilscher (Brno) MSC: 39A70 39A12 47A11 47B39 34K08 PDFBibTeX XMLCite \textit{V. G. Papanicolaou}, J. Spectr. Theory 11, No. 2, 781--819 (2021; Zbl 1482.39027) Full Text: DOI arXiv
Orujov, Ashraf D. On the spectrum of the quadratic pencil of differential operators with periodic coefficients on the semi-axis. (English) Zbl 1341.34080 Bound. Value Probl. 2015, Paper No. 117, 16 p. (2015). MSC: 34L05 47E05 34L15 PDFBibTeX XMLCite \textit{A. D. Orujov}, Bound. Value Probl. 2015, Paper No. 117, 16 p. (2015; Zbl 1341.34080) Full Text: DOI
Orujov, Ashraf D. On the spectrum of the pencil of high order differential operators with almost periodic coefficients. (English) Zbl 1332.34130 Bound. Value Probl. 2015, Paper No. 238, 19 p. (2015). MSC: 34L05 47E05 34L15 PDFBibTeX XMLCite \textit{A. D. Orujov}, Bound. Value Probl. 2015, Paper No. 238, 19 p. (2015; Zbl 1332.34130) Full Text: DOI
Gesztesy, Fritz; Tkachenko, Vadim A Schauder and Riesz basis criterion for non-self-adjoint Schrödinger operators with periodic and antiperiodic boundary conditions. (English) Zbl 1251.34100 J. Differ. Equations 253, No. 2, 400-437 (2012). Reviewer: Rodica Luca Tudorache (Iaşi) MSC: 34L10 34B30 47B40 47A10 34L05 34L40 PDFBibTeX XMLCite \textit{F. Gesztesy} and \textit{V. Tkachenko}, J. Differ. Equations 253, No. 2, 400--437 (2012; Zbl 1251.34100) Full Text: DOI arXiv
Efendiev, R. F. Spectral analysis for one class of second-order indefinite non-self-adjoint differential operator pencil. (English) Zbl 1237.34142 Appl. Anal. 90, No. 11-12, 1837-1849 (2011). Reviewer: Yaudat Sultanaev (Ufa) MSC: 34L05 34A36 34A55 34L40 PDFBibTeX XMLCite \textit{R. F. Efendiev}, Appl. Anal. 90, No. 11--12, 1837--1849 (2011; Zbl 1237.34142) Full Text: DOI arXiv
Gesztesy, Fritz; Trachenko, Vadim A criterion for Hill operators to be spectral operators of scalar type. (English) Zbl 1193.47037 J. Anal. Math. 107, 287-353 (2009). Reviewer: Rostyslav Hryniv (Lviv) MSC: 47B40 34L05 34L40 47A11 47A25 47E05 PDFBibTeX XMLCite \textit{F. Gesztesy} and \textit{V. Trachenko}, J. Anal. Math. 107, 287--353 (2009; Zbl 1193.47037) Full Text: DOI arXiv
Gesztesy, Fritz; Weikard, Rudi Picard potential and Hill’s equation on a torus. (English) Zbl 0927.37040 Acta Math. 176, No. 1, 73-107 (1996). Reviewer: Messoud Efendiev (Berlin) MSC: 37K10 37K40 14H70 PDFBibTeX XMLCite \textit{F. Gesztesy} and \textit{R. Weikard}, Acta Math. 176, No. 1, 73--107 (1996; Zbl 0927.37040) Full Text: DOI