Kajikiya, Ryuji; Tanaka, Mieko; Tanaka, Satoshi Asymptotic behavior and monotonicity of radial eigenvalues for the \(p\)-Laplacian. (English) Zbl 07806936 J. Differ. Equations 387, 496-531 (2024). MSC: 35P30 35P20 34L15 35J25 35J92 47J10 PDFBibTeX XMLCite \textit{R. Kajikiya} et al., J. Differ. Equations 387, 496--531 (2024; Zbl 07806936) Full Text: DOI
Yaying, Taja; Hazarika, Bipan; Mohiuddine, S. A.; Bakery, Awad A. Norm inequalities involving upper bounds for certain matrix operators on Orlicz-Euler and Orlicz-Taylor double sequence spaces. (English) Zbl 07822485 J. Anal. 31, No. 4, 2817-2834 (2023). MSC: 26D15 40G05 46A45 47A30 PDFBibTeX XMLCite \textit{T. Yaying} et al., J. Anal. 31, No. 4, 2817--2834 (2023; Zbl 07822485) Full Text: DOI
Allahverdiev, Bilender P.; Tuna, Hüseyin Impulsive Dirac system on time scales. (English) Zbl 07786451 Ukr. Math. J. 75, No. 6, 827-841 (2023) and Ukr. Mat. Zh. 75, No. 6, 723-735 (2023). MSC: 34N05 34L40 34A37 34B09 34L15 34L10 47B25 PDFBibTeX XMLCite \textit{B. P. Allahverdiev} and \textit{H. Tuna}, Ukr. Math. J. 75, No. 6, 827--841 (2023; Zbl 07786451) Full Text: DOI
Aliyev, Ziyatkhan S.; Aliyeva, Yagut N. Global bifurcation results for some fourth-order nonlinear eigenvalue problem with a spectral parameter in the boundary condition. (English) Zbl 1527.34050 Math. Methods Appl. Sci. 46, No. 1, 1282-1294 (2023). MSC: 34B24 34C23 34L15 34L30 47J10 47J15 PDFBibTeX XMLCite \textit{Z. S. Aliyev} and \textit{Y. N. Aliyeva}, Math. Methods Appl. Sci. 46, No. 1, 1282--1294 (2023; Zbl 1527.34050) Full Text: DOI
Borrego-Morell, Jorge A. An asymptotic expansion of eigenpolynomials for a class of linear differential operators. (English) Zbl 1528.34069 Stud. Appl. Math. 151, No. 3, 923-956 (2023). MSC: 34L10 34L15 34L20 34L40 34M40 42C05 47E05 PDFBibTeX XMLCite \textit{J. A. Borrego-Morell}, Stud. Appl. Math. 151, No. 3, 923--956 (2023; Zbl 1528.34069) Full Text: DOI
Berkolaiko, Gregory; Borisov, Denis I.; King, Marshall Exotic eigenvalues and analytic resolvent for a graph with a shrinking edge. (English) Zbl 1528.34027 Anal. Math. Phys. 13, No. 6, Paper No. 90, 22 p. (2023). Reviewer: Guy Katriel (Haifa) MSC: 34B45 34L15 47A10 81Q10 81Q35 05C90 34L05 PDFBibTeX XMLCite \textit{G. Berkolaiko} et al., Anal. Math. Phys. 13, No. 6, Paper No. 90, 22 p. (2023; Zbl 1528.34027) Full Text: DOI arXiv
Ishkin, Kh. On analytic perturbations of a non-self-adjoint anharmonic oscillator. (English) Zbl 1523.34095 Lobachevskii J. Math. 44, No. 5, 1854-1869 (2023). MSC: 34L15 47A10 47A55 PDFBibTeX XMLCite \textit{Kh. Ishkin}, Lobachevskii J. Math. 44, No. 5, 1854--1869 (2023; Zbl 1523.34095) Full Text: DOI
Pandey, Rajesh K.; Pandey, Prashnat K.; Agrawal, Om P. Sturm’s theorems for generalized derivative and generalized Sturm-Liouville problem. (English) Zbl 1526.34005 Math. Commun. 28, No. 1, 141-152 (2023). MSC: 34A06 34B24 34C10 34A30 47J30 34L15 PDFBibTeX XMLCite \textit{R. K. Pandey} et al., Math. Commun. 28, No. 1, 141--152 (2023; Zbl 1526.34005) Full Text: Link
Zhang, Na; Ao, Ji-jun Finite spectrum of fourth-order boundary value problems with boundary and transmission conditions dependent on the spectral parameter. (English) Zbl 1523.34097 Open Math. 21, Article ID 20230110, 12 p. (2023). MSC: 34L15 34B05 34B09 34B37 47A75 PDFBibTeX XMLCite \textit{N. Zhang} and \textit{J.-j. Ao}, Open Math. 21, Article ID 20230110, 12 p. (2023; Zbl 1523.34097) Full Text: DOI OA License
Cox, Graham; Curran, Mitchell; Latushkin, Yuri; Marangell, Robert Hamiltonian spectral flows, the Maslov index, and the stability of standing waves in the nonlinear Schrödinger equation. (English) Zbl 1526.34064 SIAM J. Math. Anal. 55, No. 5, 4998-5050 (2023). Reviewer: Rakib Efendiev (Baku) MSC: 34L05 34L15 34L40 37K25 34C37 47E05 53D12 PDFBibTeX XMLCite \textit{G. Cox} et al., SIAM J. Math. Anal. 55, No. 5, 4998--5050 (2023; Zbl 1526.34064) Full Text: DOI arXiv
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 PDFBibTeX XMLCite \textit{A. A. Lunyov}, Math. Nachr. 296, No. 9, 4125--4151 (2023; Zbl 1528.34070) Full Text: DOI arXiv
Qi, Xuesen; Yue, Yunguang; Liu, Ximin Isoperimetric upper bounds and Reilly-type inequalities for the first eigenvalue of the \(p\)-biharmonic operator. (English) Zbl 07723588 J. Math. Res. Appl. 43, No. 4, 487-495 (2023). MSC: 53C42 58C40 47J10 PDFBibTeX XMLCite \textit{X. Qi} et al., J. Math. Res. Appl. 43, No. 4, 487--495 (2023; Zbl 07723588) Full Text: DOI
Giacomelli, Emanuela L. An optimal upper bound for the dilute Fermi gas in three dimensions. (English) Zbl 07722286 J. Funct. Anal. 285, No. 8, Article ID 110073, 73 p. (2023). MSC: 81V74 82D05 81Q12 62H20 47A10 34L15 82B30 65L70 PDFBibTeX XMLCite \textit{E. L. Giacomelli}, J. Funct. Anal. 285, No. 8, Article ID 110073, 73 p. (2023; Zbl 07722286) Full Text: DOI arXiv
Shamis, Mira; Sodin, Sasha Upper bounds on quantum dynamics in arbitrary dimension. (English) Zbl 1527.81052 J. Funct. Anal. 285, No. 7, Article ID 110034, 20 p. (2023). MSC: 81Q05 35Q49 82C70 47A35 65M80 PDFBibTeX XMLCite \textit{M. Shamis} and \textit{S. Sodin}, J. Funct. Anal. 285, No. 7, Article ID 110034, 20 p. (2023; Zbl 1527.81052) Full Text: DOI arXiv
Allahverdiev, Bilender P.; Tuna, Hüseyin Conformable fractional dynamic Dirac system. (English) Zbl 1518.34091 Ann. Univ. Ferrara, Sez. VII, Sci. Mat. 69, No. 1, 203-218 (2023). MSC: 34N05 34A08 34L10 34L15 34L40 47B25 PDFBibTeX XMLCite \textit{B. P. Allahverdiev} and \textit{H. Tuna}, Ann. Univ. Ferrara, Sez. VII, Sci. Mat. 69, No. 1, 203--218 (2023; Zbl 1518.34091) Full Text: DOI
Aliyev, Ziyatkhan S.; Hadiyeva, Sevinj S.; Ismayilova, Nurida A. Global bifurcation from infinity in some nonlinear Sturm-Liouville problems. (English) Zbl 1520.34018 Bull. Malays. Math. Sci. Soc. (2) 46, No. 3, Paper No. 112, 14 p. (2023). Reviewer: Fatma Hıra (Atakum) MSC: 34B09 34B24 34C23 34L15 47J10 PDFBibTeX XMLCite \textit{Z. S. Aliyev} et al., Bull. Malays. Math. Sci. Soc. (2) 46, No. 3, Paper No. 112, 14 p. (2023; Zbl 1520.34018) Full Text: DOI
Behrndt, Jussi; Schmitz, Philipp; Teschl, Gerald; Trunk, Carsten Perturbations of periodic Sturm-Liouville operators. (English) Zbl 1520.34078 Adv. Math. 422, Article ID 109022, 22 p. (2023). Reviewer: Erdoğan Şen (Tekirdağ) MSC: 34L05 81Q10 34L40 47E05 34B24 47A55 34L15 PDFBibTeX XMLCite \textit{J. Behrndt} et al., Adv. Math. 422, Article ID 109022, 22 p. (2023; Zbl 1520.34078) Full Text: DOI arXiv
Li, Yulong On the regularity and simplicity of a class of fractional elliptic operators. (English) Zbl 1521.47078 Commun. Pure Appl. Anal. 22, No. 2, 459-479 (2023). MSC: 47F10 47G20 34B24 34L15 45J05 PDFBibTeX XMLCite \textit{Y. Li}, Commun. Pure Appl. Anal. 22, No. 2, 459--479 (2023; Zbl 1521.47078) Full Text: DOI
Zhang, Haiyan; Chen, Yufeng; Ao, Ji-Jun A generalized discontinuous Sturm-Liouville problem with boundary conditions rationally dependent on the eigenparameter. (English) Zbl 1518.34034 J. Differ. Equations 352, 354-372 (2023). Reviewer: Manfred Möller (Johannesburg) MSC: 34B24 34B09 34L15 34A36 34L05 47B25 34B08 PDFBibTeX XMLCite \textit{H. Zhang} et al., J. Differ. Equations 352, 354--372 (2023; Zbl 1518.34034) Full Text: DOI
Philipp, Friedrich Relatively bounded perturbations of \(J\)-non-negative operators. (English) Zbl 07642873 Complex Anal. Oper. Theory 17, No. 1, Paper No. 14, 30 p. (2023). MSC: 47B50 47A55 47E05 34L15 PDFBibTeX XMLCite \textit{F. Philipp}, Complex Anal. Oper. Theory 17, No. 1, Paper No. 14, 30 p. (2023; Zbl 07642873) Full Text: DOI arXiv
Zhang, Na; Ao, Ji-Jun Finite spectrum of Sturm-Liouville problems with transmission conditions dependent on the spectral parameter. (English) Zbl 1515.34034 Numer. Funct. Anal. Optim. 44, No. 1, 21-35 (2023). Reviewer: Hüseyin Tuna (Burdur) MSC: 34B24 34L05 34L15 47A45 PDFBibTeX XMLCite \textit{N. Zhang} and \textit{J.-J. Ao}, Numer. Funct. Anal. Optim. 44, No. 1, 21--35 (2023; Zbl 1515.34034) Full Text: DOI
Chu, Jifeng; Meng, Gang Minimization of lowest positive periodic eigenvalue for the Camassa-Holm equation with indefinite potential. (English) Zbl 1518.34024 Stud. Math. 268, No. 3, 241-258 (2023). Reviewer: Smail Djebali (Riyadh) MSC: 34B09 34A06 34L15 34L40 47J30 PDFBibTeX XMLCite \textit{J. Chu} and \textit{G. Meng}, Stud. Math. 268, No. 3, 241--258 (2023; Zbl 1518.34024) Full Text: DOI
Xu, Xin-Jian; Yang, Chuan-Fu; Bondarenko, Natalia Inverse spectral problems for radial Schrödinger operators and closed systems. (English) Zbl 1516.34041 J. Differ. Equations 342, 343-368 (2023). Reviewer: Kun Li (Qufu) MSC: 34A55 34B24 47E05 34L15 34C20 PDFBibTeX XMLCite \textit{X.-J. Xu} et al., J. Differ. Equations 342, 343--368 (2023; Zbl 1516.34041) Full Text: DOI
Lipovský, Jiří; Macháček, Tomáš The role of the branch cut of the logarithm in the definition of the spectral determinant for non-selfadjoint operators. arXiv:2312.07155 Preprint, arXiv:2312.07155 [math-ph] (2023). MSC: 34L15 47A10 BibTeX Cite \textit{J. Lipovský} and \textit{T. Macháček}, ``The role of the branch cut of the logarithm in the definition of the spectral determinant for non-selfadjoint operators'', Preprint, arXiv:2312.07155 [math-ph] (2023) Full Text: arXiv OA License
Mugnolo, Delio Pointwise eigenvector estimates by landscape functions: some variations on the Filoche–Mayboroda–van den Berg bound. arXiv:2301.06126 Preprint, arXiv:2301.06126 [math.SP] (2023). MSC: 34B45 35P15 34L15 35P30 46B42 47B65 BibTeX Cite \textit{D. Mugnolo}, ``Pointwise eigenvector estimates by landscape functions: some variations on the Filoche--Mayboroda--van den Berg bound'', Preprint, arXiv:2301.06126 [math.SP] (2023) Full Text: arXiv OA License
Krejčiřík, David; Laptev, Ari; Štampach, František Spectral enclosures and stability for non-self-adjoint discrete Schrödinger operators on the half-line. (English) Zbl 07740280 Bull. Lond. Math. Soc. 54, No. 6, 2379-2403 (2022). MSC: 47A75 34L15 47B39 PDFBibTeX XMLCite \textit{D. Krejčiřík} et al., Bull. Lond. Math. Soc. 54, No. 6, 2379--2403 (2022; Zbl 07740280) Full Text: DOI arXiv
Yan, Wenwen; Xu, Meizhen The self-adjointness and dependence of eigenvalues of fourth-order differential operator with eigenparameters in the boundary conditions. (Chinese. English summary) Zbl 1524.34052 Acta Math. Sci., Ser. A, Chin. Ed. 42, No. 3, 671-693 (2022). MSC: 34B09 34B08 47E05 47B25 34L15 PDFBibTeX XMLCite \textit{W. Yan} and \textit{M. Xu}, Acta Math. Sci., Ser. A, Chin. Ed. 42, No. 3, 671--693 (2022; Zbl 1524.34052) Full Text: Link
Latipov, H. M.; Rasulov, T. H. Quartic numerical range of a tridiagonal \(4\times 4\) self-adjoint operator matrices. (English) Zbl 1524.81047 Uzb. Math. J. 66, No. 4, 53-60 (2022). MSC: 81Q10 35P20 47N50 PDFBibTeX XMLCite \textit{H. M. Latipov} and \textit{T. H. Rasulov}, Uzb. Math. J. 66, No. 4, 53--60 (2022; Zbl 1524.81047)
Polyakov, D. M. Spectral estimates for the fourth-order differential operator with periodic coefficients. (English. Russian original) Zbl 07659026 Russ. Math. 66, No. 7, 76-81 (2022); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2022, No. 7, 86-92 (2022). Reviewer: Hubert Kalf (München) MSC: 34L15 34L40 34L20 47E05 PDFBibTeX XMLCite \textit{D. M. Polyakov}, Russ. Math. 66, No. 7, 76--81 (2022; Zbl 07659026); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2022, No. 7, 86--92 (2022) Full Text: DOI
Molchanova, E. A. Variational simulation of the spectral problem. (Russian. English summary) Zbl 1524.34217 Vestn. Tomsk. Gos. Univ., Mat. Mekh. 2022, No. 75, 33-37 (2022). MSC: 34L05 47J30 34L15 PDFBibTeX XMLCite \textit{E. A. Molchanova}, Vestn. Tomsk. Gos. Univ., Mat. Mekh. 2022, No. 75, 33--37 (2022; Zbl 1524.34217) Full Text: DOI MNR
Qin, Jianfang; Li, Kun; Zheng, Zhaowen; Cai, Jinming Dependence of eigenvalues of discontinuous fourth-order differential operators with eigenparameter dependent boundary conditions. (English) Zbl 1502.34099 J. Nonlinear Math. Phys. 29, No. 4, 776-793 (2022). MSC: 34L15 34L05 34L40 34A25 47E05 PDFBibTeX XMLCite \textit{J. Qin} et al., J. Nonlinear Math. Phys. 29, No. 4, 776--793 (2022; Zbl 1502.34099) Full Text: DOI
Liu, Yixuan; Shi, Guoliang; Yan, Jun Ambarzumyan-type theorem for third order linear measure differential equations. (English) Zbl 1507.34020 J. Math. Phys. 63, No. 1, Article ID 013503, 14 p. (2022). MSC: 34A55 34B24 34L40 47E05 34L15 47N20 PDFBibTeX XMLCite \textit{Y. Liu} et al., J. Math. Phys. 63, No. 1, Article ID 013503, 14 p. (2022; Zbl 1507.34020) Full Text: DOI
Polyakov, Dmitry M. Sharp eigenvalue asymptotics of fourth-order differential operators. (English) Zbl 1514.34142 Asymptotic Anal. 130, No. 3-4, 477-503 (2022). Reviewer: Bertin Zinsou (Johannesburg) MSC: 34L15 34L05 34L20 47E05 PDFBibTeX XMLCite \textit{D. M. Polyakov}, Asymptotic Anal. 130, No. 3--4, 477--503 (2022; Zbl 1514.34142) Full Text: DOI
Kerner, Joachim Lower bounds on the spectral gap of one-dimensional Schrödinger operators. (English) Zbl 1518.34088 Arch. Math. 119, No. 6, 613-622 (2022). Reviewer: Kadriye Aydemir (Antalya) MSC: 34L15 34L40 47E05 34L05 PDFBibTeX XMLCite \textit{J. Kerner}, Arch. Math. 119, No. 6, 613--622 (2022; Zbl 1518.34088) Full Text: DOI
Barbaroux, Jean-Marie; Hartig, Michael C.; Hundertmark, Dirk; Vugalter, Semjon Van der Waals-London interaction of atoms with pseudorelavistic kinetic energy. (English) Zbl 1513.81049 Anal. PDE 15, No. 6, 1375-1428 (2022). MSC: 81Q10 46N50 34L15 47A10 35P15 81V45 PDFBibTeX XMLCite \textit{J.-M. Barbaroux} et al., Anal. PDE 15, No. 6, 1375--1428 (2022; Zbl 1513.81049) Full Text: DOI arXiv
Gestesy, Fritz; Nichols, Roger Strict domain monotonicity of the principal eigenvalue and a characterization of lower boundedness for the Friedrichs extension of four-coefficient Sturm-Liouville operators. (English) Zbl 07614114 Acta Sci. Math. 88, No. 1-2, 189-222 (2022). MSC: 34B24 34L05 34L15 47A10 47E05 PDFBibTeX XMLCite \textit{F. Gestesy} and \textit{R. Nichols}, Acta Sci. Math. 88, No. 1--2, 189--222 (2022; Zbl 07614114) Full Text: DOI arXiv
Mitrokhin, Sergeĭ Ivanovich Regularized trace of a multipoint boundary value problem with a discontinuous weight function. (Russian. English summary) Zbl 1513.34088 Vladikavkaz. Mat. Zh. 24, No. 1, 65-86 (2022). MSC: 34B09 34B10 34L15 34L05 47E05 PDFBibTeX XMLCite \textit{S. I. Mitrokhin}, Vladikavkaz. Mat. Zh. 24, No. 1, 65--86 (2022; Zbl 1513.34088) Full Text: DOI MNR
Kulaev, R. Ch.; Urtaeva, A. A. On the multiplicity of eigenvalues of a fourth-order differential operator on a graph. (English. Russian original) Zbl 1509.34090 Differ. Equ. 58, No. 7, 869-876 (2022); translation from Differ. Uravn. 58, No. 7, 882-889 (2022). MSC: 34L15 34B45 47E05 PDFBibTeX XMLCite \textit{R. Ch. Kulaev} and \textit{A. A. Urtaeva}, Differ. Equ. 58, No. 7, 869--876 (2022; Zbl 1509.34090); translation from Differ. Uravn. 58, No. 7, 882--889 (2022) Full Text: DOI
Choi, Q-Heung; Jung, Tacksun Multiple solutions for some elliptic boundary value problem with jumping nonlinearities. (English) Zbl 1508.34017 Appl. Anal. 101, No. 17, 6059-6080 (2022). Reviewer: Petio S. Kelevedjiev (Sliven) MSC: 34B09 34B08 34L15 47N20 PDFBibTeX XMLCite \textit{Q-H. Choi} and \textit{T. Jung}, Appl. Anal. 101, No. 17, 6059--6080 (2022; Zbl 1508.34017) Full Text: DOI
Zhang, Xinguang; Kong, Dezhou; Tian, Hui; Wu, Yonghong; Wiwatanapataphee, Benchawan An upper-lower solution method for the eigenvalue problem of Hadamard-type singular fractional differential equation. (English) Zbl 1505.34036 Nonlinear Anal., Model. Control 27, No. 4, 789-802 (2022). MSC: 34B09 34A08 34B10 34B27 47N20 34L15 PDFBibTeX XMLCite \textit{X. Zhang} et al., Nonlinear Anal., Model. Control 27, No. 4, 789--802 (2022; Zbl 1505.34036) Full Text: DOI
Göktaş, Sertaç; Kemaloğlu, Hikmet; Yilmaz, Emrah Multiplicative conformable fractional Dirac system. (English) Zbl 1510.34188 Turk. J. Math. 46, No. 3, 973-990 (2022). MSC: 34L40 26A33 34L15 34L10 34A08 34B09 47E05 PDFBibTeX XMLCite \textit{S. Göktaş} et al., Turk. J. Math. 46, No. 3, 973--990 (2022; Zbl 1510.34188) Full Text: DOI
Cai, Jinming; Li, Kun; Zheng, Zhaowen A singular Sturm-Liouville problem with limit circle endpoint and boundary conditions rationally dependent on the eigenparameter. (English) Zbl 1514.34053 Mediterr. J. Math. 19, No. 4, Paper No. 184, 15 p. (2022). Reviewer: Seyfollah Mosazadeh (Kashan) MSC: 34B24 34A36 34L15 34L10 47E05 34B16 PDFBibTeX XMLCite \textit{J. Cai} et al., Mediterr. J. Math. 19, No. 4, Paper No. 184, 15 p. (2022; Zbl 1514.34053) Full Text: DOI
Baustian, F.; Bobkov, V. Basis properties of Fučik eigenfunctions. (English) Zbl 1513.34341 Anal. Math. 48, No. 3, 619-648 (2022). Reviewer: Rodica Luca (Iaşi) MSC: 34L10 34B08 47A70 34B09 34L15 PDFBibTeX XMLCite \textit{F. Baustian} and \textit{V. Bobkov}, Anal. Math. 48, No. 3, 619--648 (2022; Zbl 1513.34341) Full Text: DOI arXiv
Sharov, E. B.; Sheipak, I. A. Weighted string equation where the weight is a noncompact multiplier: continuous spectrum and eigenvalues. (English. Russian original) Zbl 1506.34108 St. Petersbg. Math. J. 33, No. 4, 697-709 (2022); translation from Algebra Anal. 33, No. 4, 155-172 (2021). Reviewer: Andreas Fleige (Dortmund) MSC: 34L05 34B09 47B36 34L15 PDFBibTeX XMLCite \textit{E. B. Sharov} and \textit{I. A. Sheipak}, St. Petersbg. Math. J. 33, No. 4, 697--709 (2022; Zbl 1506.34108); translation from Algebra Anal. 33, No. 4, 155--172 (2021) Full Text: DOI
Dien, Nguyen Minh; Nieto, Juan J. Lyapunov-type inequalities for a nonlinear sequential fractional BVP in the frame of generalized Hilfer derivatives. (English) Zbl 07566822 Math. Inequal. Appl. 25, No. 3, 851-867 (2022). Reviewer: Jeffrey Neugebauer (Richmond) MSC: 34A08 34B15 34B27 34L15 47H11 PDFBibTeX XMLCite \textit{N. M. Dien} and \textit{J. J. Nieto}, Math. Inequal. Appl. 25, No. 3, 851--867 (2022; Zbl 07566822) Full Text: DOI
Buoso, Davide; Provenzano, Luigi; Stubbe, Joachim Semiclassical bounds for spectra of biharmonic operators. (English) Zbl 1495.35134 Rend. Mat. Appl., VII. Ser. 43, No. 4, 267-314 (2022). MSC: 35P15 35P20 47A75 35J40 34L15 PDFBibTeX XMLCite \textit{D. Buoso} et al., Rend. Mat. Appl., VII. Ser. 43, No. 4, 267--314 (2022; Zbl 1495.35134) Full Text: arXiv Link
Aliyev, Ziyatkhan S.; Mamedova, Gunay T. Spectral properties of a beam equation with eigenvalue parameter occurring linearly in the boundary conditions. (English) Zbl 1500.34020 Proc. R. Soc. Edinb., Sect. A, Math. 152, No. 3, 780-801 (2022). Reviewer: Rodica Luca (Iaşi) MSC: 34B09 34B05 34C10 34L15 34L20 47A75 74K10 34L10 PDFBibTeX XMLCite \textit{Z. S. Aliyev} and \textit{G. T. Mamedova}, Proc. R. Soc. Edinb., Sect. A, Math. 152, No. 3, 780--801 (2022; Zbl 1500.34020) Full Text: DOI
Mehrabov, Vuqar A. Spectral properties of a fourth-order differential operator with eigenvalue parameter-dependent boundary conditions. (English) Zbl 1485.34087 Bull. Malays. Math. Sci. Soc. (2) 45, No. 2, 741-766 (2022). MSC: 34B09 34L10 34L15 47A75 47B50 74H45 PDFBibTeX XMLCite \textit{V. A. Mehrabov}, Bull. Malays. Math. Sci. Soc. (2) 45, No. 2, 741--766 (2022; Zbl 1485.34087) Full Text: DOI
Luzzini, Paolo; Provenzano, Luigi; Stubbe, Joachim The first Grushin eigenvalue on cartesian product domains. arXiv:2202.12101 Preprint, arXiv:2202.12101 [math.AP] (2022). MSC: 35P15 35P20 47A75 35J70 34L15 BibTeX Cite \textit{P. Luzzini} et al., ``The first Grushin eigenvalue on cartesian product domains'', Preprint, arXiv:2202.12101 [math.AP] (2022) Full Text: arXiv OA License
Möller, Manfred Completeness and minimality of eigenfunctions and associated functions of ordinary differential operators. (English) Zbl 1510.34187 de Snoo, H. S. V. (ed.) et al., Contributions to mathematics and statistics. Essays in honor of Seppo Hassi. Vaasa: University of Vaasa, School of Technology and Innovation. Acta Wasaensia 462, 141-151 (2021). Reviewer: Hector O. Fattorini (Los Angeles) MSC: 34L10 34L05 34L15 34L20 47A70 47E05 PDFBibTeX XMLCite \textit{M. Möller}, Acta Wasaensia 462, 141--151 (2021; Zbl 1510.34187)
Mitrokhin, Sergeĭ Ivanovich On the asymptotics of spectrum of an even-order differential operator with a delta-function potential. (Russian. English summary) Zbl 1499.34441 Vestn. Samar. Gos. Tekh. Univ., Ser. Fiz.-Mat. Nauki 25, No. 4, 634-662 (2021). MSC: 34L20 47E05 34B09 34L15 PDFBibTeX XMLCite \textit{S. I. Mitrokhin}, Vestn. Samar. Gos. Tekh. Univ., Ser. Fiz.-Mat. Nauki 25, No. 4, 634--662 (2021; Zbl 1499.34441) Full Text: DOI MNR
Allahverdiev, Bilender P.; Tuna, Huseyin Regular fractional Dirac type systems. (English) Zbl 1513.34353 Facta Univ., Ser. Math. Inf. 36, No. 3, 489-499 (2021). MSC: 34L40 26A33 34A08 34B05 47B25 34L15 34L10 PDFBibTeX XMLCite \textit{B. P. Allahverdiev} and \textit{H. Tuna}, Facta Univ., Ser. Math. Inf. 36, No. 3, 489--499 (2021; Zbl 1513.34353) Full Text: DOI
Stepanenko, Alexei Bounds for Schrödinger operators on the half-line perturbed by dissipative barriers. (English) Zbl 1489.34124 Integral Equations Oper. Theory 93, No. 6, Paper No. 60, 21 p. (2021). Reviewer: Gang Meng (Beijing) MSC: 34L40 34L15 47A55 PDFBibTeX XMLCite \textit{A. Stepanenko}, Integral Equations Oper. Theory 93, No. 6, Paper No. 60, 21 p. (2021; Zbl 1489.34124) Full Text: DOI arXiv
Holubová, Gabriela; Janoušek, Jakub Extending the threshold values for inverse-positivity of a linear fourth order operator. (English) Zbl 1492.34086 Positivity 25, No. 5, 1721-1735 (2021). Reviewer: Tatuana Badokina (Saransk) MSC: 34L40 34B05 34B18 34L15 47E05 PDFBibTeX XMLCite \textit{G. Holubová} and \textit{J. Janoušek}, Positivity 25, No. 5, 1721--1735 (2021; Zbl 1492.34086) Full Text: DOI
Annaby, M. H.; Elsayed-Abdullah, S. R. Rectangles of positive eigenvalues with positive eigenfunctions of nonlinear multiparameter coupled systems. (English) Zbl 1491.34035 J. Fixed Point Theory Appl. 23, No. 4, Paper No. 68, 15 p. (2021). Reviewer: Tatuana Badokina (Saransk) MSC: 34B09 34B08 34B27 34L15 34L10 47H10 PDFBibTeX XMLCite \textit{M. H. Annaby} and \textit{S. R. Elsayed-Abdullah}, J. Fixed Point Theory Appl. 23, No. 4, Paper No. 68, 15 p. (2021; Zbl 1491.34035) Full Text: DOI
Marchenko, V. A.; Marchenko, A. V.; Zolotarev, V. A. On a spectral inverse problem in perturbation theory. (English) Zbl 1488.34109 J. Math. Phys. Anal. Geom. 17, No. 1, 95-115 (2021). MSC: 34A55 34B24 47A55 34L10 34L15 PDFBibTeX XMLCite \textit{V. A. Marchenko} et al., J. Math. Phys. Anal. Geom. 17, No. 1, 95--115 (2021; Zbl 1488.34109) Full Text: Link
Eloe, Paul W.; Neugebauer, Jeffrey T. Smallest eigenvalues for boundary value problems of two term fractional differential operators depending on fractional boundary conditions. (English) Zbl 1489.34012 Electron. J. Differ. Equ. 2021, Paper No. 62, 14 p. (2021). Reviewer: Bashir Ahmad (Jeddah) MSC: 34A08 34L15 34B27 47N20 34B09 PDFBibTeX XMLCite \textit{P. W. Eloe} and \textit{J. T. Neugebauer}, Electron. J. Differ. Equ. 2021, Paper No. 62, 14 p. (2021; Zbl 1489.34012) Full Text: Link
Ao, Ji-jun; Sun, Jiong Eigenvalues of a class of fourth-order boundary value problems with transmission conditions using matrix theory. (English) Zbl 1483.34037 Linear Multilinear Algebra 69, No. 9, 1610-1624 (2021). Reviewer: Jonathan Rohleder (Stockholm) MSC: 34B09 34B24 34L15 47B25 15A60 PDFBibTeX XMLCite \textit{J.-j. Ao} and \textit{J. Sun}, Linear Multilinear Algebra 69, No. 9, 1610--1624 (2021; Zbl 1483.34037) Full Text: DOI
Almenar, Pedro; Jódar, Lucas Estimation of the smallest eigenvalue of an \(n\)th-order linear boundary value problem. (English) Zbl 1478.34024 Math. Methods Appl. Sci. 44, No. 6, 4491-4514 (2021). Reviewer: Gang Meng (Beijing) MSC: 34B05 34B09 34B27 34L15 34L16 47A15 47A30 47B65 47N20 PDFBibTeX XMLCite \textit{P. Almenar} and \textit{L. Jódar}, Math. Methods Appl. Sci. 44, No. 6, 4491--4514 (2021; Zbl 1478.34024) Full Text: DOI
Mehrabov, Vuqar A. Oscillation and basis properties for the equation of vibrating rod at one end of which an inertial mass is concentrated. (English) Zbl 1478.34026 Math. Methods Appl. Sci. 44, No. 2, 1585-1600 (2021). Reviewer: Gang Meng (Beijing) MSC: 34B09 34B05 34B08 34C10 34L15 47A75 74H45 34L10 PDFBibTeX XMLCite \textit{V. A. Mehrabov}, Math. Methods Appl. Sci. 44, No. 2, 1585--1600 (2021; Zbl 1478.34026) Full Text: DOI
Mortazaasl, Hamid; Akbarfam, Ali Asghar Jodayree Two classes of conformable fractional Sturm-Liouville problems: theory and applications. (English) Zbl 1472.34048 Math. Methods Appl. Sci. 44, No. 1, 166-195 (2021). MSC: 34B24 34A08 26A33 34L10 34L15 47N20 PDFBibTeX XMLCite \textit{H. Mortazaasl} and \textit{A. A. J. Akbarfam}, Math. Methods Appl. Sci. 44, No. 1, 166--195 (2021; Zbl 1472.34048) Full Text: DOI
Korotyaev, Evgeny; Mokeev, Dmitrii Periodic Dirac operator with dislocation. (English) Zbl 1481.34103 J. Differ. Equations 296, 369-411 (2021). Reviewer: Jiři Lipovský (Hradec Králové) MSC: 34L40 34L15 47E05 34L05 PDFBibTeX XMLCite \textit{E. Korotyaev} and \textit{D. Mokeev}, J. Differ. Equations 296, 369--411 (2021; Zbl 1481.34103) Full Text: DOI arXiv
Yang, Chuan-fu; Wang, Feng; Huang, Zhen-you Ambarzumyan theorems for Dirac operators. (English) Zbl 1472.34032 Acta Math. Appl. Sin., Engl. Ser. 37, No. 2, 287-298 (2021). MSC: 34A55 34L40 34L15 47E05 PDFBibTeX XMLCite \textit{C.-f. Yang} et al., Acta Math. Appl. Sin., Engl. Ser. 37, No. 2, 287--298 (2021; Zbl 1472.34032) Full Text: DOI
Li, Jing; Wang, Mengran Spectral problem and initial value problem of a nonlocal Sturm-Liouville equation. (English) Zbl 1467.34029 Qual. Theory Dyn. Syst. 20, No. 2, Paper No. 28, 22 p. (2021). MSC: 34B24 34A08 34L15 34L10 34B10 47E05 PDFBibTeX XMLCite \textit{J. Li} and \textit{M. Wang}, Qual. Theory Dyn. Syst. 20, No. 2, Paper No. 28, 22 p. (2021; Zbl 1467.34029) Full Text: DOI
Aliyev, Z. S.; Asadov, X. A. Global bifurcation from zero in some fourth-order nonlinear eigenvalue problems. (English) Zbl 1466.34029 Bull. Malays. Math. Sci. Soc. (2) 44, No. 2, 981-992 (2021). MSC: 34B09 34B24 34C23 34L15 47J10 PDFBibTeX XMLCite \textit{Z. S. Aliyev} and \textit{X. A. Asadov}, Bull. Malays. Math. Sci. Soc. (2) 44, No. 2, 981--992 (2021; Zbl 1466.34029) Full Text: DOI
Chen, Zhijie; Fu, Erjuan; Lin, Chang-Shou Spectrum of the Lamé operator and application. I: Deformation along \(\operatorname{Re} \tau = \frac{ 1}{ 2} \). (English) Zbl 1468.34116 Adv. Math. 383, Article ID 107699, 36 p. (2021). Reviewer: Rodica Luca (Iaşi) MSC: 34L05 34L40 33E10 47A10 34L15 PDFBibTeX XMLCite \textit{Z. Chen} et al., Adv. Math. 383, Article ID 107699, 36 p. (2021; Zbl 1468.34116) Full Text: DOI
Andrews, Ben; Clutterbuck, Julie; Hauer, Daniel The fundamental gap for a one-dimensional Schrödinger operator with Robin boundary conditions. (English) Zbl 1514.47035 Proc. Am. Math. Soc. 149, No. 4, 1481-1493 (2021). MSC: 47A75 34B09 34B15 34L15 34L40 PDFBibTeX XMLCite \textit{B. Andrews} et al., Proc. Am. Math. Soc. 149, No. 4, 1481--1493 (2021; Zbl 1514.47035) Full Text: DOI arXiv
Gesztesy, Fritz; Zinchenko, Maxim Eigenvectors from eigenvalues: the case of one-dimensional Schrödinger operators. (English) Zbl 1460.34033 Ann. Funct. Anal. 12, No. 1, Paper No. 5, 12 p. (2021). Reviewer: Erdogan Sen (Tekirdağ) MSC: 34B24 34B27 34L15 34L40 47A10 34L10 PDFBibTeX XMLCite \textit{F. Gesztesy} and \textit{M. Zinchenko}, Ann. Funct. Anal. 12, No. 1, Paper No. 5, 12 p. (2021; Zbl 1460.34033) Full Text: DOI arXiv
Zettl, Anton Recent developments in Sturm-Liouville theory. (English) Zbl 1479.34004 De Gruyter Studies in Mathematics 76. Berlin: De Gruyter (ISBN 978-3-11-071884-3/hbk; 978-3-11-071900-0/ebook). xii, 245 p. (2021). Reviewer: Namig Guliyev (Baku) MSC: 34-02 34B24 34B20 34L05 47B25 34B16 34L15 34B27 PDFBibTeX XMLCite \textit{A. Zettl}, Recent developments in Sturm-Liouville theory. Berlin: De Gruyter (2021; Zbl 1479.34004) Full Text: DOI
Volkmer, Hans The Laplace-Beltrami operator on the embedded torus. (English) Zbl 1458.34055 J. Differ. Equations 271, 821-848 (2021). Reviewer: Namig Guliyev (Baku) MSC: 34B24 34L15 34L40 34L20 47E05 PDFBibTeX XMLCite \textit{H. Volkmer}, J. Differ. Equations 271, 821--848 (2021; Zbl 1458.34055) Full Text: DOI
Golinskii, Leonid; Stepanenko, Alexei Lieb-Thirring and Jensen sums for non-self-adjoint Schrödinger operators on the half-line. arXiv:2111.09629 Preprint, arXiv:2111.09629 [math.SP] (2021). MSC: 47B28 34L15 BibTeX Cite \textit{L. Golinskii} and \textit{A. Stepanenko}, ``Lieb-Thirring and Jensen sums for non-self-adjoint Schr\"odinger operators on the half-line'', Preprint, arXiv:2111.09629 [math.SP] (2021) Full Text: arXiv OA License
Kerner, Joachim A lower bound on the spectral gap of Schrödinger operators with weak potentials of compact support. arXiv:2103.03813 Preprint, arXiv:2103.03813 [math.SP] (2021). MSC: 34L15 34L40 47E05 47A10 BibTeX Cite \textit{J. Kerner}, ``A lower bound on the spectral gap of Schr\"odinger operators with weak potentials of compact support'', Preprint, arXiv:2103.03813 [math.SP] (2021) Full Text: DOI arXiv OA License
Kerner, Joachim A lower bound on the spectral gap of one-dimensional Schrödinger operators. arXiv:2102.03816 Preprint, arXiv:2102.03816 [math.SP] (2021). MSC: 34L15 34L40 47E05 47A10 BibTeX Cite \textit{J. Kerner}, ``A lower bound on the spectral gap of one-dimensional Schr\"odinger operators'', Preprint, arXiv:2102.03816 [math.SP] (2021) Full Text: DOI arXiv OA License
Zhou, Lijuan; Wen, Zhiyuan; Meng, Gang Minimization of first eigenvalue of fourth order measure differential equation. (Chinese. English summary) Zbl 1499.34136 Sci. Sin., Math. 50, No. 3, 393-404 (2020). MSC: 34B09 47J30 34L15 34A06 PDFBibTeX XMLCite \textit{L. Zhou} et al., Sci. Sin., Math. 50, No. 3, 393--404 (2020; Zbl 1499.34136) Full Text: DOI
Damanik, David; Del Rio, Rafael; Franco, Asaf L. Random Sturm-Liouville operators with generalized point interactions. (English) Zbl 1488.34486 Oper. Matrices 14, No. 4, 1101-1125 (2020). MSC: 34L40 34L15 34B24 47B80 PDFBibTeX XMLCite \textit{D. Damanik} et al., Oper. Matrices 14, No. 4, 1101--1125 (2020; Zbl 1488.34486) Full Text: DOI arXiv
Krushna, Boddu Muralee Bala On the existence of positive solutions for a ternary system of Riemann-Liouville type \(p\)-Laplacian fractional order boundary value problems. (English) Zbl 1489.34018 Nonlinear Stud. 27, No. 4, 1207-1226 (2020). MSC: 34A08 34B09 34L15 34B18 34B27 47N20 PDFBibTeX XMLCite \textit{B. M. B. Krushna}, Nonlinear Stud. 27, No. 4, 1207--1226 (2020; Zbl 1489.34018) Full Text: Link
Li, Kun; Bai, Yulin; Wang, Wanyi; Meng, Fanwei Self-adjoint realization of a class of third-order differential operators with an eigenparameter contained in the boundary conditions. (English) Zbl 1473.34021 J. Appl. Anal. Comput. 10, No. 6, 2631-2643 (2020). MSC: 34B24 34L15 47B50 34B05 PDFBibTeX XMLCite \textit{K. Li} et al., J. Appl. Anal. Comput. 10, No. 6, 2631--2643 (2020; Zbl 1473.34021) Full Text: DOI
Pirmatov, Sh. T. Necessary conditions of decomposition by Bessel operator’s eigenfunctions. (English) Zbl 1488.34475 Uzb. Math. J. 2020, No. 1, 97-101 (2020). MSC: 34L10 34L15 47A10 42A16 42A20 42B08 PDFBibTeX XMLCite \textit{Sh. T. Pirmatov}, Uzb. Math. J. 2020, No. 1, 97--101 (2020; Zbl 1488.34475) Full Text: DOI
Ge, Liming; Li, Xianjin; Wu, Dongsheng; Xue, Boqing Eigenvalues of a differential operator and zeros of the Riemann \(\zeta\)-function. (English) Zbl 1474.34602 Anal. Theory Appl. 36, No. 3, 283-294 (2020). MSC: 34L15 11M26 47E05 PDFBibTeX XMLCite \textit{L. Ge} et al., Anal. Theory Appl. 36, No. 3, 283--294 (2020; Zbl 1474.34602) Full Text: DOI
Sun, Fu; Qi, Jiangang A priori bounds and existence of non-real eigenvalues for singular indefinite Sturm-Liouville problems with limit-circle type endpoints. (English) Zbl 1468.34033 Proc. R. Soc. Edinb., Sect. A, Math. 150, No. 5, 2607-2619 (2020). Reviewer: Seyfollah Mosazadeh (Kashan) MSC: 34B24 34L15 47B50 PDFBibTeX XMLCite \textit{F. Sun} and \textit{J. Qi}, Proc. R. Soc. Edinb., Sect. A, Math. 150, No. 5, 2607--2619 (2020; Zbl 1468.34033) Full Text: DOI
Labovskiy, Sergey On discreteness of spectrum of a second order differential operator. (English) Zbl 1474.34603 Electron. J. Qual. Theory Differ. Equ. 2020, Paper No. 52, 9 p. (2020). MSC: 34L15 34L05 47E05 PDFBibTeX XMLCite \textit{S. Labovskiy}, Electron. J. Qual. Theory Differ. Equ. 2020, Paper No. 52, 9 p. (2020; Zbl 1474.34603) Full Text: DOI
Mirzaev, Olim Èrkinovich; Khasanov, Aknazar Bekdurdievich On families of isospectral Sturm-Liouville boundary value problems. (Russian. English summary) Zbl 1463.34065 Ufim. Mat. Zh. 12, No. 2, 28-34 (2020); translation in Ufa Math. J. 12, No. 2, 28-34 (2020). MSC: 34A55 47E05 34B24 34L15 PDFBibTeX XMLCite \textit{O. È. Mirzaev} and \textit{A. B. Khasanov}, Ufim. Mat. Zh. 12, No. 2, 28--34 (2020; Zbl 1463.34065); translation in Ufa Math. J. 12, No. 2, 28--34 (2020) Full Text: DOI MNR
Ezhak, S.; Telnova, M. On conditions on the potential in a Sturm-Liouville problem and an upper estimate of its first eigenvalue. (English) Zbl 1458.34052 Pinelas, Sandra (ed.) et al., Differential and difference equations with applications. Selected papers based on the presentations at the fourth international conference, ICDDEA 2019, Lisbon, Portugal, July 1–5, 2019. Cham: Springer. Springer Proc. Math. Stat. 333, 481-496 (2020). Reviewer: Namig Guliyev (Baku) MSC: 34B24 34L15 47J30 PDFBibTeX XMLCite \textit{S. Ezhak} and \textit{M. Telnova}, Springer Proc. Math. Stat. 333, 481--496 (2020; Zbl 1458.34052) Full Text: DOI
Pandey, Prashant K.; Pandey, Rajesh K.; Agrawal, Om P. Variational approximation for fractional Sturm-Liouville problem. (English) Zbl 1488.34205 Fract. Calc. Appl. Anal. 23, No. 3, 861-874 (2020). MSC: 34B24 34A08 26A33 34L10 34L15 47J30 PDFBibTeX XMLCite \textit{P. K. Pandey} et al., Fract. Calc. Appl. Anal. 23, No. 3, 861--874 (2020; Zbl 1488.34205) Full Text: DOI
Polyakov, D. M. Spectral estimates for the fourth-order operator with matrix coefficients. (English. Russian original) Zbl 1454.34117 Comput. Math. Math. Phys. 60, No. 7, 1163-1184 (2020); translation from Zh. Vychisl. Mat. Mat. Fiz. 60, No. 7, 1201-1223 (2020). MSC: 34L15 34L20 34B09 47E05 PDFBibTeX XMLCite \textit{D. M. Polyakov}, Comput. Math. Math. Phys. 60, No. 7, 1163--1184 (2020; Zbl 1454.34117); translation from Zh. Vychisl. Mat. Mat. Fiz. 60, No. 7, 1201--1223 (2020) Full Text: DOI
Freitas, Pedro; Lipovský, Jiří The determinant of one-dimensional polyharmonic operators of arbitrary order. (English) Zbl 1453.34107 J. Funct. Anal. 279, No. 12, Article ID 108783, 30 p. (2020). MSC: 34L05 34L15 47E05 PDFBibTeX XMLCite \textit{P. Freitas} and \textit{J. Lipovský}, J. Funct. Anal. 279, No. 12, Article ID 108783, 30 p. (2020; Zbl 1453.34107) Full Text: DOI arXiv
Yaying, Taja; Hazarika, Bipan; Mohiuddine, S. A.; Mursaleen, M. Estimation of upper bounds of certain matrix operators on binomial weighted sequence spaces. (English) Zbl 1498.47074 Adv. Oper. Theory 5, No. 4, 1376-1389 (2020). MSC: 47B37 47A30 46A45 26D15 40G05 PDFBibTeX XMLCite \textit{T. Yaying} et al., Adv. Oper. Theory 5, No. 4, 1376--1389 (2020; Zbl 1498.47074) Full Text: DOI
Frymark, Dale Boundary triples and Weyl \(m\)-functions for powers of the Jacobi differential operator. (English) Zbl 1493.34080 J. Differ. Equations 269, No. 10, 7931-7974 (2020). Reviewer: Sven-Ake Wegner (Hamburg) MSC: 34B20 34B24 34L15 47B25 47E05 PDFBibTeX XMLCite \textit{D. Frymark}, J. Differ. Equations 269, No. 10, 7931--7974 (2020; Zbl 1493.34080) Full Text: DOI arXiv
Boumenir, Amin; Tuan, Vu Kim Transmutation operators and their applications. (English) Zbl 1501.47078 Kravchenko, Vladislav V. (ed.) et al., Transmutation operators and applications. Cham: Birkhäuser. Trends Math., 11-47 (2020). MSC: 47E05 34A55 34B24 34L15 PDFBibTeX XMLCite \textit{A. Boumenir} and \textit{V. K. Tuan}, in: Transmutation operators and applications. Cham: Birkhäuser. 11--47 (2020; Zbl 1501.47078) Full Text: DOI
Vladimirov, A. A. Variational principles for self-adjoint Hamiltonian systems. (English. Russian original) Zbl 1476.34175 Math. Notes 107, No. 4, 687-690 (2020); translation from Mat. Zametki 107, No. 4, 633-636 (2020). MSC: 34L15 37J51 47E05 PDFBibTeX XMLCite \textit{A. A. Vladimirov}, Math. Notes 107, No. 4, 687--690 (2020; Zbl 1476.34175); translation from Mat. Zametki 107, No. 4, 633--636 (2020) Full Text: DOI
Guan, Sheng-Yu; Yang, Chuan-Fu New trace formulae for Sturm-Liouville operators on the Lasso-graph. (English) Zbl 1446.34044 Result. Math. 75, No. 3, Paper No. 92, 9 p. (2020). Reviewer: Vjacheslav Yurko (Saratov) MSC: 34B45 34L05 34L15 34A55 47E05 PDFBibTeX XMLCite \textit{S.-Y. Guan} and \textit{C.-F. Yang}, Result. Math. 75, No. 3, Paper No. 92, 9 p. (2020; Zbl 1446.34044) Full Text: DOI
Sun, Fu Bounds of non-real eigenvalues for indefinite \(p\)-Laplacian problems. (English) Zbl 1448.34042 Result. Math. 75, No. 3, Paper No. 91, 10 p. (2020). Reviewer: Bertin Zinsou (Johannesburg) MSC: 34B09 34B15 34L15 47B50 PDFBibTeX XMLCite \textit{F. Sun}, Result. Math. 75, No. 3, Paper No. 91, 10 p. (2020; Zbl 1448.34042) Full Text: DOI
Xu, Xu; Zhao, Xin Exponential upper bounds on the spectral gaps and homogeneous spectrum for the non-critical extended Harper’s model. (English) Zbl 1440.81041 Discrete Contin. Dyn. Syst. 40, No. 8, 4777-4800 (2020). MSC: 81Q10 47B39 82D20 81V10 35P05 PDFBibTeX XMLCite \textit{X. Xu} and \textit{X. Zhao}, Discrete Contin. Dyn. Syst. 40, No. 8, 4777--4800 (2020; Zbl 1440.81041) Full Text: DOI
Aliyev, Ziyatkhan S.; Namazov, Faiq M. Spectral properties of the equation of a vibrating rod at both ends of which the masses are concentrated. (English) Zbl 1441.34032 Banach J. Math. Anal. 14, No. 2, 585-606 (2020). Reviewer: Erdogan Sen (Tekirdağ) MSC: 34B09 34B05 34B08 34L10 34L15 47A75 47B50 74K10 74H45 34L20 PDFBibTeX XMLCite \textit{Z. S. Aliyev} and \textit{F. M. Namazov}, Banach J. Math. Anal. 14, No. 2, 585--606 (2020; Zbl 1441.34032) Full Text: DOI
Kuznetsova, M. A. A uniqueness theorem on inverse spectral problems for the Sturm-Liouville differential operators on time scales. (English) Zbl 1443.34022 Result. Math. 75, No. 2, Paper No. 44, 23 p. (2020). Reviewer: Vjacheslav Yurko (Saratov) MSC: 34A55 34B24 34L05 34L15 34N05 47E05 PDFBibTeX XMLCite \textit{M. A. Kuznetsova}, Result. Math. 75, No. 2, Paper No. 44, 23 p. (2020; Zbl 1443.34022) Full Text: DOI arXiv
Allahverdiev, Bilender P.; Tuna, Hüseyin One-dimensional conformable fractional Dirac system. (English) Zbl 1437.34003 Bol. Soc. Mat. Mex., III. Ser. 26, No. 1, 121-146 (2020). MSC: 34A08 34L10 34L15 34L40 47B25 34B27 PDFBibTeX XMLCite \textit{B. P. Allahverdiev} and \textit{H. Tuna}, Bol. Soc. Mat. Mex., III. Ser. 26, No. 1, 121--146 (2020; Zbl 1437.34003) Full Text: DOI
Uğurlu, Ekin Regular fifth-order boundary value problems. (English) Zbl 1445.34048 Bull. Malays. Math. Sci. Soc. (2) 43, No. 3, 2105-2121 (2020). Reviewer: Minghe Pei (Jilin) MSC: 34B09 34L15 47B25 PDFBibTeX XMLCite \textit{E. Uğurlu}, Bull. Malays. Math. Sci. Soc. (2) 43, No. 3, 2105--2121 (2020; Zbl 1445.34048) Full Text: DOI
Guo, Hongjie; Qi, Jiangang Sturm-Liouville problems involving distribution weights and an application to optimal problems. (English) Zbl 1435.34027 J. Optim. Theory Appl. 184, No. 3, 842-857 (2020). Reviewer: Vjacheslav Yurko (Saratov) MSC: 34A55 34B08 34B24 34L15 47E05 PDFBibTeX XMLCite \textit{H. Guo} and \textit{J. Qi}, J. Optim. Theory Appl. 184, No. 3, 842--857 (2020; Zbl 1435.34027) Full Text: DOI
Wang, Tao; Ao, Ji-jun; Yang, Mei-chun A classification of fourth-order dissipative differential operators. (English) Zbl 1450.34063 J. Funct. Spaces 2020, Article ID 7510313, 9 p. (2020). MSC: 34L40 47E05 34B09 34L15 PDFBibTeX XMLCite \textit{T. Wang} et al., J. Funct. Spaces 2020, Article ID 7510313, 9 p. (2020; Zbl 1450.34063) Full Text: DOI
Zhang, Maozhu; Li, Kun; Wang, Yicao Regular approximation of linear Hamiltonian operators with two singular endpoints. (English) Zbl 1454.47049 J. Math. Anal. Appl. 484, No. 2, Article ID 123758, 18 p. (2020). MSC: 47B93 47A58 34B24 34L15 PDFBibTeX XMLCite \textit{M. Zhang} et al., J. Math. Anal. Appl. 484, No. 2, Article ID 123758, 18 p. (2020; Zbl 1454.47049) Full Text: DOI