Stummel, Friedrich; Kohaupt, Ludwig Eigenvalue problems in Hilbert spaces. With tasks and complete solutions. (Eigenwertaufgaben in Hilbertschen Räumen. Mit Aufgaben und vollständigen Lösungen.) (German) Zbl 07330876 Computational and Applied Mathematics 1. Berlin: Logos Verlag (ISBN 978-3-8325-5262-6/pbk). 302 p. (2021). MSC: 47-01 47A75 47B02 47N20 34B24 65J10 65L15 35Pxx 65N25 PDF BibTeX XML Cite \textit{F. Stummel} and \textit{L. Kohaupt}, Eigenwertaufgaben in Hilbertschen Räumen. Mit Aufgaben und vollständigen Lösungen. Berlin: Logos Verlag (2021; Zbl 07330876)
Zhang, Ran; Yang, Chuan-Fu Ambarzumyan-type theorem for the impulsive Sturm-Liouville operator. (English) Zbl 07330225 J. Inverse Ill-Posed Probl. 29, No. 1, 21-25 (2021). MSC: 34A55 34B24 47E05 PDF BibTeX XML Cite \textit{R. Zhang} and \textit{C.-F. Yang}, J. Inverse Ill-Posed Probl. 29, No. 1, 21--25 (2021; Zbl 07330225) Full Text: DOI
Namazov, Faiq Mirzali Uniform convergence of Fourier series expansions for a fourth-order spectral problem with boundary conditions depending on the eigenparameter. (English) Zbl 07323138 Bull. Iran. Math. Soc. 47, No. 1, 225-235 (2021). MSC: 34B05 34B24 34L10 34L20 34B08 34L15 PDF BibTeX XML Cite \textit{F. M. Namazov}, Bull. Iran. Math. Soc. 47, No. 1, 225--235 (2021; Zbl 07323138) Full Text: DOI
Stepanenko, Alexei Spectral inclusion and pollution for a class of dissipative perturbations. (English) Zbl 07306536 J. Math. Phys. 62, No. 1, 013501, 25 p. (2021). MSC: 81Q10 34L40 34B24 47A10 47A55 47A58 PDF BibTeX XML Cite \textit{A. Stepanenko}, J. Math. Phys. 62, No. 1, 013501, 25 p. (2021; Zbl 07306536) Full Text: DOI
Zhang, Ran; Yang, Chuan-Fu; Bondarenko, Natalia Pavlovna Inverse spectral problems for the Dirac operator with complex-valued weight and discontinuity. (English) Zbl 07303705 J. Differ. Equations 278, 100-110 (2021). Reviewer: Vjacheslav Yurko (Saratov) MSC: 34B24 47E05 34A55 PDF BibTeX XML Cite \textit{R. Zhang} et al., J. Differ. Equations 278, 100--110 (2021; Zbl 07303705) Full Text: DOI
Gesztesy, Fritz; Zinchenko, Maxim Eigenvectors from eigenvalues: the case of one-dimensional Schrödinger operators. (English) Zbl 07296605 Ann. Funct. Anal. 12, No. 1, Paper No. 5, 12 p. (2021). Reviewer: Erdogan Sen (Tekirdağ) MSC: 34B24 34B27 34L15 34L40 47A10 34L10 PDF BibTeX XML Cite \textit{F. Gesztesy} and \textit{M. Zinchenko}, Ann. Funct. Anal. 12, No. 1, Paper No. 5, 12 p. (2021; Zbl 07296605) Full Text: DOI
Kirsch, Andreas An introduction to the mathematical theory of inverse problems. 3rd updated edition. (English) Zbl 07290824 Applied Mathematical Sciences 120. Cham: Springer (ISBN 978-3-030-63342-4/hbk; 978-3-030-63343-1/ebook). xvii, 400 p. (2021). MSC: 35-02 35R30 65J20 34B24 35P25 65J10 65J15 35J05 PDF BibTeX XML Cite \textit{A. Kirsch}, An introduction to the mathematical theory of inverse problems. 3rd updated edition. Cham: Springer (2021; Zbl 07290824) Full Text: DOI
Chan, Chi-Hua; Huang, Po-Chun On the eigenvalues and the nodal points of the eigenfunctions of some eigenvalue problems with eigenparameter-dependent boundary conditions. (English) Zbl 07286320 Glasg. Math. J. 63, No. 1, 158-178 (2021). Reviewer: Bertin Zinsou (Johannesburg) MSC: 34B09 34L15 34L10 34B24 15A18 PDF BibTeX XML Cite \textit{C.-H. Chan} and \textit{P.-C. Huang}, Glasg. Math. J. 63, No. 1, 158--178 (2021; Zbl 07286320) Full Text: DOI
Volkmer, Hans The Laplace-Beltrami operator on the embedded torus. (English) Zbl 07283600 J. Differ. Equations 271, 821-848 (2021). Reviewer: Namig Guliyev (Baku) MSC: 34B24 34L15 34L40 34L20 47E05 PDF BibTeX XML Cite \textit{H. Volkmer}, J. Differ. Equations 271, 821--848 (2021; Zbl 07283600) Full Text: DOI
Biazar, Jafar; Dehghan, Mohammad; Houlari, Tahereh An efficient method to approximate eigenvalues and eigenfunctions of high order Sturm-Liouville problems. (English) Zbl 07333811 Comput. Methods Differ. Equ. 8, No. 2, 389-400 (2020). MSC: 35G15 34L16 65L15 PDF BibTeX XML Cite \textit{J. Biazar} et al., Comput. Methods Differ. Equ. 8, No. 2, 389--400 (2020; Zbl 07333811) Full Text: DOI
Gomilko, Alexander; Rzepnicki, Łukasz On the asymptotic behaviour of solutions of the Dirac system and applications to the Sturm-Liouville problem with a singular potential. (English) Zbl 07332243 J. Spectr. Theory 10, No. 3, 747-786 (2020). MSC: 34L20 34L40 34B24 PDF BibTeX XML Cite \textit{A. Gomilko} and \textit{Ł. Rzepnicki}, J. Spectr. Theory 10, No. 3, 747--786 (2020; Zbl 07332243) Full Text: DOI
Goriunov, Andrii Multi-interval Sturm-Liouville problems with distributional coefficients. (English) Zbl 07329567 Methods Funct. Anal. Topol. 26, No. 2, 103-110 (2020). Reviewer: Anatoly N. Kochubei (Kyïv) MSC: 34L40 34B45 47B25 PDF BibTeX XML Cite \textit{A. Goriunov}, Methods Funct. Anal. Topol. 26, No. 2, 103--110 (2020; Zbl 07329567) Full Text: Link
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 07316348 Proc. R. Soc. Edinb., Sect. A, Math. 150, No. 5, 2607-2619 (2020). MSC: 34B24 34L15 47B50 PDF BibTeX XML Cite \textit{F. Sun} and \textit{J. Qi}, Proc. R. Soc. Edinb., Sect. A, Math. 150, No. 5, 2607--2619 (2020; Zbl 07316348) Full Text: DOI
Mukhtarov, O. Sh.; Aydemir, K. Discontinuous Sturm-Liouville problems involving an abstract linear operator. (English) Zbl 1455.34028 J. Appl. Anal. Comput. 10, No. 4, 1545-1560 (2020). MSC: 34B24 34L05 34L10 34L20 34A37 34K10 PDF BibTeX XML Cite \textit{O. Sh. Mukhtarov} and \textit{K. Aydemir}, J. Appl. Anal. Comput. 10, No. 4, 1545--1560 (2020; Zbl 1455.34028) Full Text: DOI
Amirov, Rauf Kh.; Nabiev, Anar Adiloglu Inverse scattering problem for the impulsive Schrödinger equation with a polynomial spectral dependence in the potential. (English) Zbl 07314444 Casp. J. Math. Sci. 9, No. 2, 224-242 (2020). MSC: 34A55 34B24 34L05 PDF BibTeX XML Cite \textit{R. Kh. Amirov} and \textit{A. A. Nabiev}, Casp. J. Math. Sci. 9, No. 2, 224--242 (2020; Zbl 07314444) Full Text: DOI
Valovik, Dmitry V. On the integral characteristic function of the Sturm-Liouville problem. (English. Russian original) Zbl 07308577 Sb. Math. 211, No. 11, 1539-1550 (2020); translation from Mat. Sb. 211, No. 11, 41-53 (2020). Reviewer: Namig Guliyev (Baku) MSC: 34B24 34L15 34L20 PDF BibTeX XML Cite \textit{D. V. Valovik}, Sb. Math. 211, No. 11, 1539--1550 (2020; Zbl 07308577); translation from Mat. Sb. 211, No. 11, 41--53 (2020) Full Text: DOI
Sadabad, Mahnaz Kashfi; Akbarfam, Aliasghar Jodayree; Shiri, Babak A numerical study of eigenvalues and eigenfunctions of fractional Sturm-Liouville problems via Laplace transform. (English) Zbl 07301233 Indian J. Pure Appl. Math. 51, No. 3, 857-868 (2020). MSC: 34L16 34A08 34B24 44A10 PDF BibTeX XML Cite \textit{M. K. Sadabad} et al., Indian J. Pure Appl. Math. 51, No. 3, 857--868 (2020; Zbl 07301233) Full Text: DOI
Bondarenko, Natalia P. Spectral data characterization for the Sturm-Liouville operator on the star-shaped graph. (English) Zbl 07299660 Anal. Math. Phys. 10, No. 4, Paper No. 83, 27 p. (2020). Reviewer: Vjacheslav Yurko (Saratov) MSC: 34A55 34B07 34B09 34B45 34L40 47E05 PDF BibTeX XML Cite \textit{N. P. Bondarenko}, Anal. Math. Phys. 10, No. 4, Paper No. 83, 27 p. (2020; Zbl 07299660) Full Text: DOI
Ala, V.; Mamedov, Kh. R. On basis property of root functions for a class of the second order differential operators. (English) Zbl 07296513 Vestn. Yuzhno-Ural. Gos. Univ., Ser. Mat., Mekh., Fiz. 12, No. 3, 15-21 (2020). MSC: 34L10 34B24 47E05 PDF BibTeX XML Cite \textit{V. Ala} and \textit{Kh. R. Mamedov}, Vestn. Yuzhno-Ural. Gos. Univ., Ser. Mat., Mekh., Fiz. 12, No. 3, 15--21 (2020; Zbl 07296513) Full Text: DOI MNR
Yang, Xinya Continuous dependence of eigenvalues of regular Sturm-Liouville differential operators on the boundary condition. (Chinese. English summary) Zbl 07294967 Adv. Math., Beijing 49, No. 4, 443-452 (2020). MSC: 34L15 34B24 PDF BibTeX XML Cite \textit{X. Yang}, Adv. Math., Beijing 49, No. 4, 443--452 (2020; Zbl 07294967) Full Text: DOI
Sun, Longjie; Hao, Xiaoling; Niu, Tian Inequalities among eigenvalues of left-definite Sturm-Liouville problems with periodic coefficients. (Chinese. English summary) Zbl 07294864 Acta Math. Sci., Ser. A, Chin. Ed. 40, No. 2, 340-351 (2020). MSC: 34L15 34B24 PDF BibTeX XML Cite \textit{L. Sun} et al., Acta Math. Sci., Ser. A, Chin. Ed. 40, No. 2, 340--351 (2020; Zbl 07294864)
Khanmamedov, A. Kh.; Abbasova, Kh. E. On the completeness of the system of Airy functions. (English) Zbl 07293035 Azerb. J. Math. 10, No. 2, 105-109 (2020). MSC: 34L10 34L40 34B24 34B09 PDF BibTeX XML Cite \textit{A. Kh. Khanmamedov} and \textit{Kh. E. Abbasova}, Azerb. J. Math. 10, No. 2, 105--109 (2020; Zbl 07293035) Full Text: Link
Ashbaugh, Mark S.; Kielty, Derek Spectral gaps of 1-d Robin Schrödinger operators with single-well potentials. (English) Zbl 1454.81078 J. Math. Phys. 61, No. 9, 091507, 15 p. (2020). MSC: 81Q10 34L40 34B05 34B24 34L15 PDF BibTeX XML Cite \textit{M. S. Ashbaugh} and \textit{D. Kielty}, J. Math. Phys. 61, No. 9, 091507, 15 p. (2020; Zbl 1454.81078) Full Text: DOI
Ouellet, Mathieu; Tremblay, Sébastien Supersymmetric generalized power functions. (English) Zbl 1454.81098 J. Math. Phys. 61, No. 7, 072101, 19 p. (2020). MSC: 81Q60 81Q05 34L40 34B24 41A58 34A25 PDF BibTeX XML Cite \textit{M. Ouellet} and \textit{S. Tremblay}, J. Math. Phys. 61, No. 7, 072101, 19 p. (2020; Zbl 1454.81098) Full Text: DOI
Kamchatnov, A. M.; Pavlov, M. V. Two-photon propagation of light and the modified Liouville equation. (English. Russian original) Zbl 1453.81066 Theor. Math. Phys. 204, No. 2, 1093-1099 (2020); translation from Teor. Mat. Fiz. 204, No. 2, 297-304 (2020). MSC: 81V80 34A34 34B24 34L25 37K10 37K40 PDF BibTeX XML Cite \textit{A. M. Kamchatnov} and \textit{M. V. Pavlov}, Theor. Math. Phys. 204, No. 2, 1093--1099 (2020; Zbl 1453.81066); translation from Teor. Mat. Fiz. 204, No. 2, 297--304 (2020) Full Text: DOI
Borisov, D. I.; Mukhametrakhimova, A. I. On a model graph with a loop and small edges. Holomorphy property of resolvent. (English. Russian original) Zbl 07282977 J. Math. Sci., New York 251, No. 5, 573-601 (2020); translation from Probl. Mat. Anal. 106, 17-41 (2020). Reviewer: Vjacheslav Yurko (Saratov) MSC: 34B45 34L40 47E05 PDF BibTeX XML Cite \textit{D. I. Borisov} and \textit{A. I. Mukhametrakhimova}, J. Math. Sci., New York 251, No. 5, 573--601 (2020; Zbl 07282977); translation from Probl. Mat. Anal. 106, 17--41 (2020) Full Text: DOI
Levitina, T. V. Computation of eigenfrequencies of an acoustic medium in a prolate spheroid by a modified Abramov method. (English. Russian original) Zbl 1455.35060 Comput. Math. Math. Phys. 60, No. 10, 1642-1655 (2020); translation from Zh. Vychisl. Mat. Mat. Fiz. 60, No. 10, 1697-1710 (2020). Reviewer: Calin Ioan Gheorghiu (Cluj-Napoca) MSC: 35J05 34L10 34L15 34L16 34B24 65L10 PDF BibTeX XML Cite \textit{T. V. Levitina}, Comput. Math. Math. Phys. 60, No. 10, 1642--1655 (2020; Zbl 1455.35060); translation from Zh. Vychisl. Mat. Mat. Fiz. 60, No. 10, 1697--1710 (2020) Full Text: DOI
Mirzaev, Olim Èrkinovich; Khasanov, Aknazar Bekdurdievich On families of isospectral Sturm-Liouville boundary value problems. (Russian. English summary) Zbl 07281900 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 PDF BibTeX XML Cite \textit{O. È. Mirzaev} and \textit{A. B. Khasanov}, Ufim. Mat. Zh. 12, No. 2, 28--34 (2020; Zbl 07281900); translation in Ufa Math. J. 12, No. 2, 28--34 (2020) Full Text: DOI MNR
Delgado, Briceyda B.; Khmelnytskaya, Kira V.; Kravchenko, Vladislav V. A representation for Jost solutions and an efficient method for solving the spectral problem on the half line. (English) Zbl 07279051 Math. Methods Appl. Sci. 43, No. 16, 9304-9319 (2020). Reviewer: Jiři Lipovský (Hradec Králové) MSC: 34B24 34L25 34L40 34L16 PDF BibTeX XML Cite \textit{B. B. Delgado} et al., Math. Methods Appl. Sci. 43, No. 16, 9304--9319 (2020; Zbl 07279051) Full Text: DOI
Min, Dandan; Chen, Fangqi Three solutions for a class of fractional impulsive advection-dispersion equations with Sturm-Liouville boundary conditions via variational approach. (English) Zbl 07279041 Math. Methods Appl. Sci. 43, No. 15, 9151-9168 (2020). Reviewer: Jan Tomeček (Olomouc) MSC: 34A08 34B09 34B24 34B37 47J30 PDF BibTeX XML Cite \textit{D. Min} and \textit{F. Chen}, Math. Methods Appl. Sci. 43, No. 15, 9151--9168 (2020; Zbl 07279041) Full Text: DOI
Xu, Xiao-Chuan On the direct and inverse transmission eigenvalue problems for the Schrödinger operator on the half line. (English) Zbl 07278996 Math. Methods Appl. Sci. 43, No. 15, 8434-8448 (2020). Reviewer: Vjacheslav Yurko (Saratov) MSC: 34A55 34L25 34L20 34L40 PDF BibTeX XML Cite \textit{X.-C. Xu}, Math. Methods Appl. Sci. 43, No. 15, 8434--8448 (2020; Zbl 07278996) Full Text: DOI
Goriunov, A. S. Multi-interval dissipative Sturm-Liouville boundary-value problems with distributional coefficients. (English) Zbl 07277678 Dopov. Nats. Akad. Nauk Ukr., Mat. Pryr. Tekh. Nauky 2020, No. 7, 10-16 (2020). MSC: 34B24 47A10 34L05 47E05 PDF BibTeX XML Cite \textit{A. S. Goriunov}, Dopov. Nats. Akad. Nauk Ukr., Mat. Pryr. Tekh. Nauky 2020, No. 7, 10--16 (2020; Zbl 07277678) Full Text: DOI
Sadovnichii, V. A.; Sultanaev, Ya. T.; Valeev, N. F. Reconstruction of nonsplitting boundary conditions of the Sturm-Liouville operator from a minimal set of eigenvalues. (English. Russian original) Zbl 07276426 Differ. Equ. 56, No. 10, 1290-1297 (2020); translation from Differ. Uravn. 56, No. 10, 1323-1330 (2020). Reviewer: Namig Guliyev (Baku) MSC: 34A55 34B24 34L15 34B15 PDF BibTeX XML Cite \textit{V. A. Sadovnichii} et al., Differ. Equ. 56, No. 10, 1290--1297 (2020; Zbl 07276426); translation from Differ. Uravn. 56, No. 10, 1323--1330 (2020) Full Text: DOI
Kurseeva, Valeria; Moskaleva, Marina; Valovik, Dmitry Asymptotical analysis of a nonlinear Sturm-Liouville problem: linearisable and non-linearisable solutions. (English) Zbl 1452.35201 Asymptotic Anal. 119, No. 1-2, 39-59 (2020). MSC: 35Q60 34L30 34E10 34L20 PDF BibTeX XML Cite \textit{V. Kurseeva} et al., Asymptotic Anal. 119, No. 1--2, 39--59 (2020; Zbl 1452.35201) Full Text: DOI
Adalar, İbrahim; Ozkan, A. Sinan An interior inverse Sturm-Liouville problem on a time scale. (English) Zbl 07273511 Anal. Math. Phys. 10, No. 4, Paper No. 58, 9 p. (2020). Reviewer: Vjacheslav Yurko (Saratov) MSC: 34A55 34B24 47E05 PDF BibTeX XML Cite \textit{İ. Adalar} and \textit{A. S. Ozkan}, Anal. Math. Phys. 10, No. 4, Paper No. 58, 9 p. (2020; Zbl 07273511) Full Text: DOI
Khalili, Y.; Kadkhoda, N. The interior inverse problem for the impulsive Sturm-Liouville equation. (English) Zbl 07273509 Anal. Math. Phys. 10, No. 4, Paper No. 56, 9 p. (2020). Reviewer: Vjacheslav Yurko (Saratov) MSC: 34A55 34A37 34B24 34L15 34L05 34A36 PDF BibTeX XML Cite \textit{Y. Khalili} and \textit{N. Kadkhoda}, Anal. Math. Phys. 10, No. 4, Paper No. 56, 9 p. (2020; Zbl 07273509) Full Text: DOI
Allahverdiev, Bilender P.; Tuna, Hüseyin; Yalçinkaya, Yüksel Spectral expansion for singular conformable fractional Sturm-Liouville problem. (English) Zbl 07273458 Math. Commun. 25, No. 2, 237-252 (2020). MSC: 34A08 34B09 34B24 34L05 PDF BibTeX XML Cite \textit{B. P. Allahverdiev} et al., Math. Commun. 25, No. 2, 237--252 (2020; Zbl 07273458) Full Text: Link
Cabri, O.; Mamedov, K. R. On the Riesz basisness of root functions of a Sturm-Liouville operator with conjugate conditions. (English) Zbl 07272837 Lobachevskii J. Math. 41, No. 9, 1784-1790 (2020). Reviewer: Rakib Efendiev (Baku) MSC: 34B24 34L10 PDF BibTeX XML Cite \textit{O. Cabri} and \textit{K. R. Mamedov}, Lobachevskii J. Math. 41, No. 9, 1784--1790 (2020; Zbl 07272837) Full Text: DOI
Ezhak, S.; Telnova, M. On conditions on the potential in a Sturm-Liouville problem and an upper estimate of its first eigenvalue. (English) Zbl 07272023 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 (ISBN 978-3-030-56322-6/hbk; 978-3-030-56323-3/ebook). Springer Proceedings in Mathematics & Statistics 333, 481-496 (2020). Reviewer: Namig Guliyev (Baku) MSC: 34B24 34L15 47J30 PDF BibTeX XML Cite \textit{S. Ezhak} and \textit{M. Telnova}, in: 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. 481--496 (2020; Zbl 07272023) Full Text: DOI
Bondarenko, Natalia P. Solvability and stability of the inverse Sturm-Liouville problem with analytical functions in the boundary condition. (English) Zbl 07271555 Math. Methods Appl. Sci. 43, No. 11, 7009-7021 (2020). Reviewer: Vjacheslav Yurko (Saratov) MSC: 34A55 34B24 34L40 47E05 PDF BibTeX XML Cite \textit{N. P. Bondarenko}, Math. Methods Appl. Sci. 43, No. 11, 7009--7021 (2020; Zbl 07271555) Full Text: DOI
Yurko, V. Inverse problems for differential operators with indefinite discontinuous weights. (English) Zbl 07271431 Result. Math. 75, No. 4, Paper No. 138, 13 p. (2020). MSC: 34A55 34B24 47E05 PDF BibTeX XML Cite \textit{V. Yurko}, Result. Math. 75, No. 4, Paper No. 138, 13 p. (2020; Zbl 07271431) Full Text: DOI
Mosazadeh, Seyfollah A new approach to asymptotic formulas for eigenfunctions of discontinuous non-selfadjoint Sturm-Liouville operators. (English) Zbl 07270938 J. Pseudo-Differ. Oper. Appl. 11, No. 4, 1805-1820 (2020). Reviewer: Fatma Hıra (Atakum) MSC: 34B09 34B07 34L20 34L10 PDF BibTeX XML Cite \textit{S. Mosazadeh}, J. Pseudo-Differ. Oper. Appl. 11, No. 4, 1805--1820 (2020; Zbl 07270938) Full Text: DOI
Zhao, Yingchun; Sun, Jiong; Yao, Siqin; Buren, Mandula The Friedrichs extension of Sturm-Liouville operators with an infinite number of interior discontinuous points. (Chinese. English summary) Zbl 07267407 Math. Pract. Theory 50, No. 6, 229-236 (2020). MSC: 47A20 47E05 34B24 PDF BibTeX XML Cite \textit{Y. Zhao} et al., Math. Pract. Theory 50, No. 6, 229--236 (2020; Zbl 07267407)
Ran, Maojun; Gao, Chenghua Asymptotic formula for eigenvalues and eigenfunctions of Sturm-Liouville question. (Chinese. English summary) Zbl 07266993 J. Shandong Univ., Nat. Sci. 55, No. 2, 57-62 (2020). MSC: 34L20 34B24 34L15 PDF BibTeX XML Cite \textit{M. Ran} and \textit{C. Gao}, J. Shandong Univ., Nat. Sci. 55, No. 2, 57--62 (2020; Zbl 07266993) Full Text: DOI
Cabri, O.; Mamedov, K. R. Riesz basisness of root functions of a Sturm-Liouville operator with conjugate conditions. (English) Zbl 1455.34089 Lobachevskii J. Math. 41, No. 1, 1-6 (2020). Reviewer: Rakib Efendiev (Baku) MSC: 34L10 34B24 34L20 PDF BibTeX XML Cite \textit{O. Cabri} and \textit{K. R. Mamedov}, Lobachevskii J. Math. 41, No. 1, 1--6 (2020; Zbl 1455.34089) Full Text: DOI
Tanana, V. P.; Sidikova, A. I. Solving the inverse heat conduction boundary problem for composite materials. (English) Zbl 1452.80016 Tarasyev, Alexander (ed.) et al., Stability, control and differential games. Proceedings of the international conference on stability, control and differential games (SCDG2019), Yekaterinburg, Russia, September 16–20, 2019. Cham: Springer. Lect. Notes Control Inf. Sci. – Proc., 133-143 (2020). MSC: 80A23 65T50 34B24 34L15 65M32 35Q79 PDF BibTeX XML Cite \textit{V. P. Tanana} and \textit{A. I. Sidikova}, in: Stability, control and differential games. Proceedings of the international conference on stability, control and differential games (SCDG2019), Yekaterinburg, Russia, September 16--20, 2019. Cham: Springer. 133--143 (2020; Zbl 1452.80016) Full Text: DOI
Spreafico, M. Zeta determinants of Sturm-Liouville operators. (English. Russian original) Zbl 1454.34048 Funct. Anal. Appl. 54, No. 2, 149-154 (2020); translation from Funkts. Anal. Prilozh. 54, No. 2, 95-102 (2020). MSC: 34B24 34L40 34L15 PDF BibTeX XML Cite \textit{M. Spreafico}, Funct. Anal. Appl. 54, No. 2, 149--154 (2020; Zbl 1454.34048); translation from Funkts. Anal. Prilozh. 54, No. 2, 95--102 (2020) Full Text: DOI
Toprakseven, Şuayip On Lyapunov-type inequalities for boundary value problems of fractional Caputo-Fabrizio derivative. (English) Zbl 1450.35280 Turk. J. Math. 44, No. 4, 1362-1375 (2020). MSC: 35R11 35A09 34A40 26D10 34C10 PDF BibTeX XML Cite \textit{Ş. Toprakseven}, Turk. J. Math. 44, No. 4, 1362--1375 (2020; Zbl 1450.35280) Full Text: DOI
Shahriari, Mohammad Inverse problem for Sturm-Liouville differential operators with finite number of constant delays. (English) Zbl 1453.34096 Turk. J. Math. 44, No. 3, 778-790 (2020). Reviewer: Vjacheslav Yurko (Saratov) MSC: 34K29 34K10 34K08 PDF BibTeX XML Cite \textit{M. Shahriari}, Turk. J. Math. 44, No. 3, 778--790 (2020; Zbl 1453.34096) Full Text: DOI
Mirzaei, Hanıf Higher-order Sturm-Liouville problems with the same eigenvalues. (English) Zbl 07257392 Turk. J. Math. 44, No. 2, 409-417 (2020). Reviewer: Hüseyin Tuna (Burdur) MSC: 34B24 34L15 PDF BibTeX XML Cite \textit{H. Mirzaei}, Turk. J. Math. 44, No. 2, 409--417 (2020; Zbl 07257392) Full Text: Link
Buterin, S. A.; Choque-Rivero, A. E.; Kuznetsova, M. A. On a regularization approach to the inverse transmission eigenvalue problem. (English) Zbl 1454.34036 Inverse Probl. 36, No. 10, Article ID 105002, 20 p. (2020). Reviewer: Vjacheslav Yurko (Saratov) MSC: 34A55 34B24 34L15 PDF BibTeX XML Cite \textit{S. A. Buterin} et al., Inverse Probl. 36, No. 10, Article ID 105002, 20 p. (2020; Zbl 1454.34036) Full Text: DOI
Wang, Yu Ping; Shieh, Chung-Tsun Inverse problems for Sturm-Liouville operators on a star-shaped graph with mixed spectral data. (English) Zbl 07250973 Appl. Anal. 99, No. 14, 2371-2380 (2020). Reviewer: Xiao-Chuan Xu (Nanjing) MSC: 34A55 34B09 34B45 47E05 34B24 PDF BibTeX XML Cite \textit{Y. P. Wang} and \textit{C.-T. Shieh}, Appl. Anal. 99, No. 14, 2371--2380 (2020; Zbl 07250973) Full Text: DOI
Ala, Volkan; Mamedov, Khanlar R. Basisness of eigenfunctions of a discontinuous Sturm-Liouville operator. (English) Zbl 1452.34084 J. Adv. Math. Stud. 13, No. 1, 81-87 (2020). MSC: 34L10 34B24 47E05 34A36 PDF BibTeX XML Cite \textit{V. Ala} and \textit{K. R. Mamedov}, J. Adv. Math. Stud. 13, No. 1, 81--87 (2020; Zbl 1452.34084)
Freiberg, U. R.; Rastegaev, N. V. On spectral asymptotics of the Sturm-Liouville problem with self-conformal singular weight with strong bounded distortion property. (English) Zbl 1453.34036 J. Math. Sci., New York 244, No. 6, 1010-1014 (2020) and Zap. Nauchn. Semin. POMI 477, 129-135 (2018). Reviewer: Namig Guliyev (Baku) MSC: 34B24 34L05 PDF BibTeX XML Cite \textit{U. R. Freiberg} and \textit{N. V. Rastegaev}, J. Math. Sci., New York 244, No. 6, 1010--1014 (2020; Zbl 1453.34036) Full Text: DOI
Zheng, Zhaowen; Liu, Huixin; Cai, Jinming; Zhang, Yanwei Criteria of limit-point case for conformable fractional Sturm-Liouville operators. (English) Zbl 07248032 Math. Methods Appl. Sci. 43, No. 5, 2548-2557 (2020). MSC: 47E05 34L05 PDF BibTeX XML Cite \textit{Z. Zheng} et al., Math. Methods Appl. Sci. 43, No. 5, 2548--2557 (2020; Zbl 07248032) Full Text: DOI
Zhang, Ran; Sat, Murat; Yang, Chuan-fu Inverse nodal problem for the Sturm-Liouville operator with a weight. (English) Zbl 07244147 Appl. Math., Ser. B (Engl. Ed.) 35, No. 2, 193-202 (2020). MSC: 34A55 34B24 47E05 34E10 PDF BibTeX XML Cite \textit{R. Zhang} et al., Appl. Math., Ser. B (Engl. Ed.) 35, No. 2, 193--202 (2020; Zbl 07244147) Full Text: DOI
Schulz-Baldes, Hermann; Urban, Liam Space versus energy oscillations of Prüfer phases for matrix Sturm-Liouville and Jacobi operators. (English) Zbl 1452.34037 Electron. J. Differ. Equ. 2020, Paper No. 76, 23 p. (2020). Reviewer: Namig Guliyev (Baku) MSC: 34B24 34C10 PDF BibTeX XML Cite \textit{H. Schulz-Baldes} and \textit{L. Urban}, Electron. J. Differ. Equ. 2020, Paper No. 76, 23 p. (2020; Zbl 1452.34037) Full Text: Link
Yurko, Vjacheslav A. Inverse spectral problems for differential operators with non-separated boundary conditions. (English) Zbl 07244000 J. Inverse Ill-Posed Probl. 28, No. 4, 567-616 (2020). MSC: 34A55 34B24 47E05 PDF BibTeX XML Cite \textit{V. A. Yurko}, J. Inverse Ill-Posed Probl. 28, No. 4, 567--616 (2020; Zbl 07244000) Full Text: DOI
Guan, Sheng-Yu; Yang, Chuan-Fu; Bondarenko, Natalia; Xu, Xiao-Chuan; Hu, Yi-Teng On the Hochstadt-Lieberman type problem with eigenparameter dependent boundary condition. (English) Zbl 07243999 J. Inverse Ill-Posed Probl. 28, No. 4, 557-565 (2020). Reviewer: Jonathan Eckhardt (Loughborough) MSC: 34B24 34A55 34L40 PDF BibTeX XML Cite \textit{S.-Y. Guan} et al., J. Inverse Ill-Posed Probl. 28, No. 4, 557--565 (2020; Zbl 07243999) Full Text: DOI
Higson, Nigel; Tan, Qijun On a spectral theorem of Weyl. (English) Zbl 07243070 Expo. Math. 38, No. 2, 180-201 (2020). Reviewer: Pierre Clare (Williamsburg) MSC: 34L05 34L40 PDF BibTeX XML Cite \textit{N. Higson} and \textit{Q. Tan}, Expo. Math. 38, No. 2, 180--201 (2020; Zbl 07243070) Full Text: DOI
Ozkan, A. Sinan Boundary-value problem for a class of second-order parameter-dependent dynamic equations on a time scale. (English) Zbl 1450.34071 Math. Methods Appl. Sci. 43, No. 7, 4353-4359 (2020). MSC: 34N05 34B09 34B24 34L15 PDF BibTeX XML Cite \textit{A. S. Ozkan}, Math. Methods Appl. Sci. 43, No. 7, 4353--4359 (2020; Zbl 1450.34071) Full Text: DOI
Allahverdiev, Bilender P.; Tuna, Hüseyin On the resolvent of singular Sturm-Liouville operators with transmission conditions. (English) Zbl 07242883 Math. Methods Appl. Sci. 43, No. 7, 4286-4302 (2020). Reviewer: Fatma Hıra (Atakum) MSC: 47E05 34B24 34B37 34B20 34L05 PDF BibTeX XML Cite \textit{B. P. Allahverdiev} and \textit{H. Tuna}, Math. Methods Appl. Sci. 43, No. 7, 4286--4302 (2020; Zbl 07242883) Full Text: DOI
Shahriari, Mohammad; Saray, Behzad Nemati; Manafian, Jalil Reconstruction of the Sturm-Liouville differential operators with discontinuity conditions and a constant delay. (English) Zbl 1451.34099 Indian J. Pure Appl. Math. 51, No. 2, 659-668 (2020). Reviewer: Vjacheslav Yurko (Saratov) MSC: 34K29 34K10 47E05 34K08 PDF BibTeX XML Cite \textit{M. Shahriari} et al., Indian J. Pure Appl. Math. 51, No. 2, 659--668 (2020; Zbl 1451.34099) Full Text: DOI
Guliyev, Namig J. On two-spectra inverse problems. (English) Zbl 07237852 Proc. Am. Math. Soc. 148, No. 10, 4491-4502 (2020). MSC: 34A55 34B07 34L40 34B24 47A75 47E05 PDF BibTeX XML Cite \textit{N. J. Guliyev}, Proc. Am. Math. Soc. 148, No. 10, 4491--4502 (2020; Zbl 07237852) Full Text: DOI
Bondarenko, Natalia P. Spectral analysis of the Sturm-Liouville operator on the star-shaped graph. (English) Zbl 1451.34030 Math. Methods Appl. Sci. 43, No. 2, 471-485 (2020). Reviewer: Vjacheslav Yurko (Saratov) MSC: 34B45 34B05 34B09 34B24 34L20 34L40 PDF BibTeX XML Cite \textit{N. P. Bondarenko}, Math. Methods Appl. Sci. 43, No. 2, 471--485 (2020; Zbl 1451.34030) Full Text: DOI
Möller, Manfred Minimality of eigenfunctions and associated functions of ordinary differential operators. (English) Zbl 07225065 Adv. Oper. Theory 5, No. 3, 1014-1025 (2020). MSC: 47A10 47E05 34B09 34B24 34L10 PDF BibTeX XML Cite \textit{M. Möller}, Adv. Oper. Theory 5, No. 3, 1014--1025 (2020; Zbl 07225065) Full Text: DOI
Liu, Xiaoyun On inverse nodal problem and multiplicities of eigenvalues of a vectorial Sturm-Liouville problem. (English) Zbl 1450.34019 J. Funct. Spaces 2020, Article ID 6953602, 6 p. (2020). Reviewer: Erdogan Sen (Tekirdağ) MSC: 34A55 15A18 34B24 34L20 34L15 PDF BibTeX XML Cite \textit{X. Liu}, J. Funct. Spaces 2020, Article ID 6953602, 6 p. (2020; Zbl 1450.34019) Full Text: DOI
Tilli, Paolo; Zucco, Davide Spectral partitions for Sturm-Liouville problems. (English) Zbl 1443.49054 Proc. R. Soc. Edinb., Sect. A, Math. 150, No. 4, 2155-2173 (2020). MSC: 49R05 49J45 34B24 34L20 PDF BibTeX XML Cite \textit{P. Tilli} and \textit{D. Zucco}, Proc. R. Soc. Edinb., Sect. A, Math. 150, No. 4, 2155--2173 (2020; Zbl 1443.49054) Full Text: DOI
Frymark, Dale Boundary triples and Weyl \(m\)-functions for powers of the Jacobi differential operator. (English) Zbl 07216743 J. Differ. Equations 269, No. 10, 7931-7974 (2020). MSC: 47 34B20 34B24 34L15 47B25 47E05 PDF BibTeX XML Cite \textit{D. Frymark}, J. Differ. Equations 269, No. 10, 7931--7974 (2020; Zbl 07216743) Full Text: DOI
Guliyev, Namig J. Essentially isospectral transformations and their applications. (English) Zbl 1448.34064 Ann. Mat. Pura Appl. (4) 199, No. 4, 1621-1648 (2020). Reviewer: Fatma Hıra (Atakum) MSC: 34B24 34A55 34B07 34C10 34L20 34L40 PDF BibTeX XML Cite \textit{N. J. Guliyev}, Ann. Mat. Pura Appl. (4) 199, No. 4, 1621--1648 (2020; Zbl 1448.34064) Full Text: DOI
Asharabi, Rashad M.; Prestin, Jürgen Computing eigenpairs of two-parameter Sturm-Liouville systems using the bivariate sinc-Gauss formula. (English) Zbl 07215247 Commun. Pure Appl. Anal. 19, No. 8, 4143-4158 (2020). MSC: 34B05 34B09 34L16 65F18 PDF BibTeX XML Cite \textit{R. M. Asharabi} and \textit{J. Prestin}, Commun. Pure Appl. Anal. 19, No. 8, 4143--4158 (2020; Zbl 07215247) Full Text: DOI
Kiss, Márton Spectral determinants and an Ambarzumian type theorem on graphs. (English) Zbl 07214133 Integral Equations Oper. Theory 92, No. 3, Paper No. 24, 11 p. (2020). MSC: 34A55 34B20 34B24 34B45 34L40 47A75 PDF BibTeX XML Cite \textit{M. Kiss}, Integral Equations Oper. Theory 92, No. 3, Paper No. 24, 11 p. (2020; Zbl 07214133) Full Text: DOI
Chernyshenko, A.; Pivovarchik, V. Recovering the shape of a quantum graph. (English) Zbl 1447.34026 Integral Equations Oper. Theory 92, No. 3, Paper No. 23, 17 p. (2020). Reviewer: Jiři Lipovský (Hradec Králové) MSC: 34A55 34B45 34L20 34B24 PDF BibTeX XML Cite \textit{A. Chernyshenko} and \textit{V. Pivovarchik}, Integral Equations Oper. Theory 92, No. 3, Paper No. 23, 17 p. (2020; Zbl 1447.34026) Full Text: DOI
Gesztesy, Fritz; Littlejohn, Lance L.; Nichols, Roger On self-adjoint boundary conditions for singular Sturm-Liouville operators bounded from below. (English) Zbl 07212486 J. Differ. Equations 269, No. 9, 6448-6491 (2020). Reviewer: Hubert Kalf (München) MSC: 34L40 34B09 34B24 34C10 34B20 34B30 PDF BibTeX XML Cite \textit{F. Gesztesy} et al., J. Differ. Equations 269, No. 9, 6448--6491 (2020; Zbl 07212486) 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 PDF BibTeX XML Cite \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
Biagi, Stefano; Calamai, Alessandro; Papalini, Francesca Existence results for boundary value problems associated with singular strongly nonlinear equations. (English) Zbl 07212250 J. Fixed Point Theory Appl. 22, No. 3, Paper No. 53, 34 p. (2020). Reviewer: Alberto Cabada (Santiago de Compostela) MSC: 34B15 34L30 34B24 34C25 47N20 PDF BibTeX XML Cite \textit{S. Biagi} et al., J. Fixed Point Theory Appl. 22, No. 3, Paper No. 53, 34 p. (2020; Zbl 07212250) Full Text: DOI
Frymark, Dale; Liaw, Constanze Properties and decompositions of domains for powers of the Jacobi differential operator. (English) Zbl 07210874 J. Math. Anal. Appl. 489, No. 1, Article ID 124155, 31 p. (2020). MSC: 47B25 PDF BibTeX XML Cite \textit{D. Frymark} and \textit{C. Liaw}, J. Math. Anal. Appl. 489, No. 1, Article ID 124155, 31 p. (2020; Zbl 07210874) Full Text: DOI
Gesztesy, Fritz; Sakhnovich, Alexander The inverse approach to Dirac-type systems based on the \(A\)-function concept. (English) Zbl 07210217 J. Funct. Anal. 279, No. 6, Article ID 108609, 39 p. (2020). MSC: 34A55 34B20 34L40 34B24 PDF BibTeX XML Cite \textit{F. Gesztesy} and \textit{A. Sakhnovich}, J. Funct. Anal. 279, No. 6, Article ID 108609, 39 p. (2020; Zbl 07210217) Full Text: DOI
Ozarslan, Ramazan; Bas, Erdal; Baleanu, Dumitru Representation of solutions for Sturm-Liouville eigenvalue problems with generalized fractional derivative. (English) Zbl 1435.34031 Chaos 30, No. 3, 033137, 11 p. (2020). MSC: 34B24 34A08 26A33 34L15 PDF BibTeX XML Cite \textit{R. Ozarslan} et al., Chaos 30, No. 3, 033137, 11 p. (2020; Zbl 1435.34031) Full Text: DOI
Zhang, Ran; Xu, Xiao-Chuan; Yang, Chuan-Fu; Bondarenko, Natalia Pavlovna Determination of the impulsive Sturm-Liouville operator from a set of eigenvalues. (English) Zbl 1445.34046 J. Inverse Ill-Posed Probl. 28, No. 3, 341-348 (2020). Reviewer: Vjacheslav Yurko (Saratov) MSC: 34A55 34B24 47E05 34B09 PDF BibTeX XML Cite \textit{R. Zhang} et al., J. Inverse Ill-Posed Probl. 28, No. 3, 341--348 (2020; Zbl 1445.34046) Full Text: DOI
Hu, Yi-Teng; Bondarenko, Natalia Pavlovna; Yang, Chuan-Fu Traces and inverse nodal problem for Sturm-Liouville operators with frozen argument. (English) Zbl 1444.34076 Appl. Math. Lett. 102, Article ID 106096, 7 p. (2020). Reviewer: Vjacheslav Yurko (Saratov) MSC: 34K08 34K29 34B24 47E05 PDF BibTeX XML Cite \textit{Y.-T. Hu} et al., Appl. Math. Lett. 102, Article ID 106096, 7 p. (2020; Zbl 1444.34076) Full Text: DOI
Bérard, Pierre; Helffer, Bernard Sturm’s theorem on the zeros of sums of eigenfunctions: Gelfand’s strategy implemented. (English) Zbl 07206632 Mosc. Math. J. 20, No. 1, 1-25 (2020). MSC: 34B24 34L15 PDF BibTeX XML Cite \textit{P. Bérard} and \textit{B. Helffer}, Mosc. Math. J. 20, No. 1, 1--25 (2020; Zbl 07206632) Full Text: Link
Takhtajan, Leon A. Etudes of the resolvent. (English. Russian original) Zbl 1440.47004 Russ. Math. Surv. 75, No. 1, 147-186 (2020); translation from Usp. Mat. Nauk 75, No. 1, 155-194 (2020). Reviewer: Khristo N. Boyadzhiev (Ada) MSC: 47A10 47B25 34B24 35P10 47-02 PDF BibTeX XML Cite \textit{L. A. Takhtajan}, Russ. Math. Surv. 75, No. 1, 147--186 (2020; Zbl 1440.47004); translation from Usp. Mat. Nauk 75, No. 1, 155--194 (2020) Full Text: DOI
Allahverdiev, Bilender P.; Tuna, Hüseyin Investigation of the spectrum of singular Sturm-Liouville operators on unbounded time scales. (English) Zbl 07200276 São Paulo J. Math. Sci. 14, No. 1, 327-340 (2020). MSC: 34N05 34L05 47A10 47B25 PDF BibTeX XML Cite \textit{B. P. Allahverdiev} and \textit{H. Tuna}, São Paulo J. Math. Sci. 14, No. 1, 327--340 (2020; Zbl 07200276) Full Text: DOI
Zhang, Maozhu; Li, Kun Dependence of eigenvalues of Sturm-Liouville problems with eigenparameter dependent boundary conditions. (English) Zbl 07197747 Appl. Math. Comput. 378, Article ID 125214, 10 p. (2020). MSC: 34L05 34L16 PDF BibTeX XML Cite \textit{M. Zhang} and \textit{K. Li}, Appl. Math. Comput. 378, Article ID 125214, 10 p. (2020; Zbl 07197747) Full Text: DOI
Ouaili, Lydia Minimal time of null controllability of two parabolic equations. (English) Zbl 1442.93010 Math. Control Relat. Fields 10, No. 1, 89-112 (2020). MSC: 93B05 34L10 35K20 93C20 PDF BibTeX XML Cite \textit{L. Ouaili}, Math. Control Relat. Fields 10, No. 1, 89--112 (2020; Zbl 1442.93010) 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 PDF BibTeX XML Cite \textit{M. A. Kuznetsova}, Result. Math. 75, No. 2, Paper No. 44, 23 p. (2020; Zbl 1443.34022) Full Text: DOI
Bairamov, Elgiz; Aygar, Yelda; Oznur, Guler Başak Scattering properties of eigenparameter-dependent impulsive Sturm-Liouville equations. (English) Zbl 1437.34085 Bull. Malays. Math. Sci. Soc. (2) 43, No. 3, 2769-2781 (2020). MSC: 34L25 34B24 34A37 34L05 PDF BibTeX XML Cite \textit{E. Bairamov} et al., Bull. Malays. Math. Sci. Soc. (2) 43, No. 3, 2769--2781 (2020; Zbl 1437.34085) Full Text: DOI
Bérard, Pierre; Helffer, Bernard Sturm’s theorem on zeros of linear combinations of eigenfunctions. (English) Zbl 1443.34026 Expo. Math. 38, No. 1, 27-50 (2020). Reviewer: Natalia Bondarenko (Saratov) MSC: 34B24 34L10 34C10 PDF BibTeX XML Cite \textit{P. Bérard} and \textit{B. Helffer}, Expo. Math. 38, No. 1, 27--50 (2020; Zbl 1443.34026) Full Text: DOI
Ezhak, S. S.; Telnova, M. Yu. Estimates for the first eigenvalue of the Sturm-Liouville problem with potentials in weighted spaces. (English. Russian original) Zbl 1437.34034 J. Math. Sci., New York 244, No. 2, 216-234 (2020); translation from Tr. Semin. Im. I. G. Petrovskogo 32, 162-190 (2019). MSC: 34B24 34L15 34B16 PDF BibTeX XML Cite \textit{S. S. Ezhak} and \textit{M. Yu. Telnova}, J. Math. Sci., New York 244, No. 2, 216--234 (2020; Zbl 1437.34034); translation from Tr. Semin. Im. I. G. Petrovskogo 32, 162--190 (2019) Full Text: DOI
Bai, Yu; Wei, Guangsheng Three-spectra inverse problems for Sturm-Liouville problems with transmission conditions. (English) Zbl 1432.34112 Bull. Iran. Math. Soc. 46, No. 2, 393-407 (2020). MSC: 34L05 34A55 34B24 34B20 PDF BibTeX XML Cite \textit{Y. Bai} and \textit{G. Wei}, Bull. Iran. Math. Soc. 46, No. 2, 393--407 (2020; Zbl 1432.34112) Full Text: DOI
Allahverdiev, Bilender P.; Tuna, Hüseyin Qualitative spectral analysis of singular \(q\)-Sturm-Liouville operators. (English) Zbl 07179225 Bull. Malays. Math. Sci. Soc. (2) 43, No. 2, 1391-1402 (2020). MSC: 47A10 33D05 39A13 47B25 PDF BibTeX XML Cite \textit{B. P. Allahverdiev} and \textit{H. Tuna}, Bull. Malays. Math. Sci. Soc. (2) 43, No. 2, 1391--1402 (2020; Zbl 07179225) Full Text: DOI
Jacob, Niels; Evans, Kristian P. A course in analysis. Vol. V: Functional analysis, some operator theory, theory of distributions. (English) Zbl 07178480 Hackensack, NJ: World Scientific (ISBN 978-981-12-1549-0/hbk; 978-981-12-1633-6/pbk). xxii, 831 p. (2020). Reviewer: Sorin-Mihai Grad (Wien) MSC: 46-01 47-01 46Fxx PDF BibTeX XML Cite \textit{N. Jacob} and \textit{K. P. Evans}, A course in analysis. Vol. V: Functional analysis, some operator theory, theory of distributions. Hackensack, NJ: World Scientific (2020; Zbl 07178480) Full Text: DOI
Buterin, Sergey; Kuznetsova, Maria On the inverse problem for Sturm-Liouville-type operators with frozen argument: rational case. (English) Zbl 1449.34265 Comput. Appl. Math. 39, No. 1, Paper No. 5, 15 p. (2020). MSC: 34K29 34K37 34K08 PDF BibTeX XML Cite \textit{S. Buterin} and \textit{M. Kuznetsova}, Comput. Appl. Math. 39, No. 1, Paper No. 5, 15 p. (2020; Zbl 1449.34265) Full Text: DOI
Yang, Chuan-Fu; Bondarenko, Natalia P. Local solvability and stability of inverse problems for Sturm-Liouville operators with a discontinuity. (English) Zbl 1445.34045 J. Differ. Equations 268, No. 10, 6173-6188 (2020). Reviewer: Vjacheslav Yurko (Saratov) MSC: 34A55 34B05 34B08 34L40 47E05 34B09 PDF BibTeX XML Cite \textit{C.-F. Yang} and \textit{N. P. Bondarenko}, J. Differ. Equations 268, No. 10, 6173--6188 (2020; Zbl 1445.34045) 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 PDF BibTeX XML Cite \textit{H. Guo} and \textit{J. Qi}, J. Optim. Theory Appl. 184, No. 3, 842--857 (2020; Zbl 1435.34027) Full Text: DOI
Hu, Yi-Teng; Huang, Zhen-You; Yang, Chuan-Fu Traces for Sturm-Liouville operators with frozen argument on star graphs. (English) Zbl 1435.34088 Result. Math. 75, No. 1, Paper No. 37, 9 p. (2020). Reviewer: Vjacheslav Yurko (Saratov) MSC: 34L05 34L10 34L20 34B24 34B45 47E05 PDF BibTeX XML Cite \textit{Y.-T. Hu} et al., Result. Math. 75, No. 1, Paper No. 37, 9 p. (2020; Zbl 1435.34088) Full Text: DOI
Liu, Dai-Quan; Yang, Chuan-Fu Horváth-type theorems on a star graph with mixed boundary conditions. (English) Zbl 07173944 Result. Math. 75, No. 1, Paper No. 16, 13 p. (2020). MSC: 34A55 34B45 34B24 47E05 PDF BibTeX XML Cite \textit{D.-Q. Liu} and \textit{C.-F. Yang}, Result. Math. 75, No. 1, Paper No. 16, 13 p. (2020; Zbl 07173944) Full Text: DOI
Behrndt, Jussi; Hassi, Seppo; de Snoo, Henk Boundary value problems, Weyl functions, and differential operators. (English) Zbl 07170295 Monographs in Mathematics 108. Cham: Birkhäuser (ISBN 978-3-030-36713-8/hbk; 978-3-030-36716-9/pbk; 978-3-030-36714-5/ebook). vii, 772 p. open access (2020). Reviewer: Andreas Fleige (Dortmund) MSC: 47-02 47Axx 47Bxx 47E05 47Fxx 34Bxx 34Lxx 35Pxx 93Bxx PDF BibTeX XML Cite \textit{J. Behrndt} et al., Boundary value problems, Weyl functions, and differential operators. Cham: Birkhäuser (2020; Zbl 07170295) Full Text: DOI
Yang, Chuan-Fu; Bondarenko, Natalia Pavlovna; Xu, Xiao-Chuan An inverse problem for the Sturm-Liouville pencil with arbitrary entire functions in the boundary condition. (English) Zbl 1436.34013 Inverse Probl. Imaging 14, No. 1, 153-169 (2020). Reviewer: Vjacheslav Yurko (Saratov) MSC: 34A55 34B07 34B09 34L40 34B24 PDF BibTeX XML Cite \textit{C.-F. Yang} et al., Inverse Probl. Imaging 14, No. 1, 153--169 (2020; Zbl 1436.34013) Full Text: DOI