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Baibulov, I. V.; Budylin, A. M.; Levin, S. B.
The scattering problem of three one-dimensional short-range quantum particles involving bound states in pair subsystems. The coordinate asymptotics of the resolvent kernel and of the eigenfunctions of the absolutely continuous spectrum. (English. Russian original) Zbl 07297514
J. Math. Sci., New York 252, No. 5, 567-575 (2021); translation from Zap. Nauchn. Semin. POMI 483, 5-18 (2019).
MSC:  81U10 81V45 81Q10 34L40 34L20 47A10
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\textit{I. V. Baibulov} et al., J. Math. Sci., New York 252, No. 5, 567--575 (2021; Zbl 07297514); translation from Zap. Nauchn. Semin. POMI 483, 5--18 (2019)
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Bagderina, Yu. Yu.
Eigenfunctions of ordinary differential Euler operators. (English. Russian original) Zbl 07283006
J. Math. Sci., New York 252, No. 2, 125-134 (2021); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 152, 3-12 (2018).
MSC:  47E05 34L10 34B30
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\textit{Yu. Yu. Bagderina}, J. Math. Sci., New York 252, No. 2, 125--134 (2021; Zbl 07283006); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 152, 3--12 (2018)
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Levitina, T. V.
Computation of eigenfrequencies of an acoustic medium in a prolate spheroid by a modified Abramov method. (English. Russian original) Zbl 07282630
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
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\textit{T. V. Levitina}, Comput. Math. Math. Phys. 60, No. 10, 1642--1655 (2020; Zbl 07282630); translation from Zh. Vychisl. Mat. Mat. Fiz. 60, No. 10, 1697--1710 (2020)
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Post, Olaf; Simmer, Jan
Approximation of magnetic Laplacians on the Sierpinski gasket by discrete magnetic Laplacians. (English) Zbl 07279935
Ruiz, Patricia Alonso (ed.) et al., Analysis, probability and mathematical physics on fractals. Based on the presentations at the 6th conference, Cornell University, Ithaca, NY, USA, June 2017. Hackensack, NJ: World Scientific (ISBN 978-981-12-1552-0/hbk; 978-981-12-1554-4/ebook). Fractals and Dynamics in Mathematics, Science, and the Arts: Theory and Applications 5, 451-475 (2020).
MSC:  35P05 28A80 39A12 35R02
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\textit{O. Post} and \textit{J. Simmer}, Fractals Dyn. Math. Sci. Arts, Theory Appl. 5, 451--475 (2020; Zbl 07279935)
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Logunov, Alexander; Malinnikova, Eugenia
Review of Yau’s conjecture on zero sets of Laplace eigenfunctions. (English) Zbl 1453.35052
Jerison, David (ed.) et al., Current developments in mathematics 2018. Papers based on selected lectures given at the current development mathematics conference, Harvard University, Cambridge, MA, USA, 2018. Somerville, MA: International Press. 179-212 (2020).
MSC:  35J05 58J05 53C21 35-02
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\textit{A. Logunov} and \textit{E. Malinnikova}, in: Current developments in mathematics 2018. Papers based on selected lectures given at the current development mathematics conference, Harvard University, Cambridge, MA, USA, 2018. Somerville, MA: International Press. 179--212 (2020; Zbl 1453.35052)
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Yurko, V. A.
Spectral analysis of higher-order differential operators with discontinuity conditions at interior points. (English. Russian original) Zbl 07255605
J. Math. Sci., New York 250, No. 4, 705-715 (2020); translation from Sovrem. Mat., Fundam. Napravl. 63, No. 2, 362-372 (2017).
MSC:  34L05 34L10 34A36
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\textit{V. A. Yurko}, J. Math. Sci., New York 250, No. 4, 705--715 (2020; Zbl 07255605); translation from Sovrem. Mat., Fundam. Napravl. 63, No. 2, 362--372 (2017)
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Rykhlov, V. S.
On multiple completeness of root functions for ordinary differential polynomial pencils with constant coefficients. (English. Russian original) Zbl 1453.34030
J. Math. Sci., New York 250, No. 4, 683-704 (2020); translation from Sovrem. Mat., Fundam. Napravl. 63, No. 2, 340-361 (2017).
MSC:  34B09 34L10 47E05
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\textit{V. S. Rykhlov}, J. Math. Sci., New York 250, No. 4, 683--704 (2020; Zbl 1453.34030); translation from Sovrem. Mat., Fundam. Napravl. 63, No. 2, 340--361 (2017)
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Aliyev, Z. S.; Namazov, F. M.
Basis properties of root functions of a vibrational boundary value problem with boundary conditions depending on the spectral parameter. (English. Russian original) Zbl 1447.74016
Differ. Equ. 56, No. 8, 969-975 (2020); translation from Differ. Uravn. 56, No. 8, 995-1000 (2020).
MSC:  74H45 74K10 74H10 34L10 34L20
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\textit{Z. S. Aliyev} and \textit{F. M. Namazov}, Differ. Equ. 56, No. 8, 969--975 (2020; Zbl 1447.74016); translation from Differ. Uravn. 56, No. 8, 995--1000 (2020)
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Gómez, Delfina; Nazarov, Sergey A.; Pérez-Martínez, Maria-Eugenia
A Dirichlet spectral problem in domains surrounded by thin stiff and heavy bands. (English) Zbl 1451.35098
Constanda, Christian (ed.), Computational and analytic methods in science and engineering. Selected papers based on the presentations at the 19th international conference on computational and mathematical methods in science and engineering, CMMSE’19, Rota, Spain, June 30 – July 6, 2019. Cham: Birkhäuser. 101-126 (2020).
MSC:  35P15 35B25 35J25
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\textit{D. Gómez} et al., in: Computational and analytic methods in science and engineering. Selected papers based on the presentations at the 19th international conference on computational and mathematical methods in science and engineering, CMMSE'19, Rota, Spain, June 30 -- July 6, 2019. Cham: Birkhäuser. 101--126 (2020; Zbl 1451.35098)
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Johnsen, Jon
A class of well-posed parabolic final value problems. (English) Zbl 1451.35078
Boggiatto, Paolo (ed.) et al., Advances in microlocal and time-frequency analysis. Contributions of the conference on microlocal and time-frequency analysis 2018, MLTFA18, in honor of Prof. Luigi Rodino on the occasion of his 70th birthday, Torino, Italy, July 2–6, 2018. Cham: Birkhäuser. Appl. Numer. Harmon. Anal., 259-280 (2020).
MSC:  35K90 35R30 35P10 47D03
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\textit{J. Johnsen}, in: Advances in microlocal and time-frequency analysis. Contributions of the conference on microlocal and time-frequency analysis 2018, MLTFA18, in honor of Prof. Luigi Rodino on the occasion of his 70th birthday, Torino, Italy, July 2--6, 2018. Cham: Birkhäuser. 259--280 (2020; Zbl 1451.35078)
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Kurbanov, V. M.; Gadzhieva, G. R.
Bessel inequality and the basis property for a \(2m\times 2m\) Dirac type system with an integrable potential. (English. Russian original) Zbl 07208668
Differ. Equ. 56, No. 5, 573-584 (2020); translation from Differ. Uravn. 56, No. 5, 584-594 (2020).
MSC:  34L40 34L10
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\textit{V. M. Kurbanov} and \textit{G. R. Gadzhieva}, Differ. Equ. 56, No. 5, 573--584 (2020; Zbl 07208668); translation from Differ. Uravn. 56, No. 5, 584--594 (2020)
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Aliyev, Z. S.; Kerimov, N. B.; Mehrabov, V. A.
Convergence of eigenfunction expansions for a boundary value problem with spectral parameter in the boundary conditions. II. (English. Russian original) Zbl 1452.74046
Differ. Equ. 56, No. 3, 277-289 (2020); translation from Differ. Uravn. 56, No. 3, 291-302 (2020).
MSC:  74H45 74K10 74H10 34L10
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\textit{Z. S. Aliyev} et al., Differ. Equ. 56, No. 3, 277--289 (2020; Zbl 1452.74046); translation from Differ. Uravn. 56, No. 3, 291--302 (2020)
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Aliev, B. A.; Kerimov, V. Z.
Asymptotic behavior of eigenvalues of a boundary value problem for a second-order elliptic differential-operator equation with spectral parameter in the equation and a boundary condition. (English. Russian original) Zbl 1444.34071
Differ. Equ. 56, No. 2, 190-198 (2020); translation from Differ. Uravn. 56, No. 2, 195-203 (2020).
MSC:  34G10 34B09 34L15 34L20
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\textit{B. A. Aliev} and \textit{V. Z. Kerimov}, Differ. Equ. 56, No. 2, 190--198 (2020; Zbl 1444.34071); translation from Differ. Uravn. 56, No. 2, 195--203 (2020)
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Aliyev, Z. S.; Kerimov, N. B.; Mehrabov, V. A.
Convergence of eigenfunction expansions for a boundary value problem with spectral parameter in the boundary conditions. I. (English. Russian original) Zbl 1444.34035
Differ. Equ. 56, No. 2, 143-157 (2020); translation from Differ. Uravn. 56, No. 2, 147-161 (2020).
MSC:  34B09 34B05 34L10 34L15
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\textit{Z. S. Aliyev} et al., Differ. Equ. 56, No. 2, 143--157 (2020; Zbl 1444.34035); translation from Differ. Uravn. 56, No. 2, 147--161 (2020)
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