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Atlasiuk, O. M.
Limit theorems for the solutions of multipoint boundary-value problems with parameter in Sobolev spaces. (English. Ukrainian original) Zbl 07297491
Ukr. Math. J. 72, No. 8, 1175-1184 (2021); translation from Ukr. Mat. Zh. 72, No. 8, 1015-1023 (2020).
Reviewer: Guglielmo Feltrin (Spilimbergo)
MSC:  34B05 34B08 34B10 34E10
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\textit{O. M. Atlasiuk}, Ukr. Math. J. 72, No. 8, 1175--1184 (2021; Zbl 07297491); translation from Ukr. Mat. Zh. 72, No. 8, 1015--1023 (2020)
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Savchuk, Artëm M.; Shkalikov, Andreĭ A.
Asymptotic analysis of solutions of ordinary differential equations with distribution coefficients. (English. Russian original) Zbl 07308582
Sb. Math. 211, No. 11, 1623-1659 (2020); translation from Mat. Sb. 211, No. 11, 129-166 (2020).
MSC:  34A05 34E05 34B09
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\textit{A. M. Savchuk} and \textit{A. A. Shkalikov}, Sb. Math. 211, No. 11, 1623--1659 (2020; Zbl 07308582); translation from Mat. Sb. 211, No. 11, 129--166 (2020)
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Wang, Jiaxin; Zhao, Liqin
The cyclicity of period annulus of degenerate quadratic Hamiltonian systems with polycycles \(S^{(2)}\) or \(S^{(3)}\) under perturbations of piecewise smooth polynomials. (English) Zbl 07306758
Int. J. Bifurcation Chaos Appl. Sci. Eng. 30, No. 15, Article ID 2050230, 18 p. (2020).
MSC:  34C37 34E10 34C23 34C05 37J40
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\textit{J. Wang} and \textit{L. Zhao}, Int. J. Bifurcation Chaos Appl. Sci. Eng. 30, No. 15, Article ID 2050230, 18 p. (2020; Zbl 07306758)
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Kurina, G. A.; Hoai, N. T.
Projector approach to the Butuzov-Nefedov algorithm for asymptotic solution of a class of singularly perturbed problems in a critical case. (English. Russian original) Zbl 07291191
Comput. Math. Math. Phys. 60, No. 12, 2007-2018 (2020); translation from Zh. Vychisl. Mat. Mat. Fiz. 60, No. 12, 2073-2084 (2020).
Reviewer: Xutian Qi (Shanghai)
MSC:  34E05 34E10 34E13
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\textit{G. A. Kurina} and \textit{N. T. Hoai}, Comput. Math. Math. Phys. 60, No. 12, 2007--2018 (2020; Zbl 07291191); translation from Zh. Vychisl. Mat. Mat. Fiz. 60, No. 12, 2073--2084 (2020)
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Varin, V. P.
Computation of periodic solutions to pendulum type systems with a small parameter. (English. Russian original) Zbl 07291190
Comput. Math. Math. Phys. 60, No. 12, 1990-2006 (2020); translation from Zh. Vychisl. Mat. Mat. Fiz. 60, No. 12, 2055-2072 (2020).
MSC:  34C05 34C25 34A45 34A25 34E10
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\textit{V. P. Varin}, Comput. Math. Math. Phys. 60, No. 12, 1990--2006 (2020; Zbl 07291190); translation from Zh. Vychisl. Mat. Mat. Fiz. 60, No. 12, 2055--2072 (2020)
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Anikin, A. Yu.; Dobrokhotov, S. Yu.; Tsvetkova, A. V.
Airy functions and transition between semiclassical and harmonic oscillator approximations for one-dimensional bound states. (English. Russian original) Zbl 07283649
Theor. Math. Phys. 204, No. 2, 984-992 (2020); translation from Teor. Mat. Fiz. 204, No. 2, 171-180 (2020).
MSC:  81Q10 81Q20 35P05 35B40 33C10
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\textit{A. Yu. Anikin} et al., Theor. Math. Phys. 204, No. 2, 984--992 (2020; Zbl 07283649); translation from Teor. Mat. Fiz. 204, No. 2, 171--180 (2020)
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Bezrodnykh, S. I.; Vlasov, V. I.
Asymptotics of the Riemann-Hilbert problem for a magnetic reconnection model in plasma. (English. Russian original) Zbl 07283501
Comput. Math. Math. Phys. 60, No. 11, 1839-1854 (2020); translation from Zh. Vychisl. Mat. Mat. Fiz. 60, No. 11, 1898-1914 (2020).
MSC:  35Q85 35Q15 76X05 76W05 76L05 35C20 85A30
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\textit{S. I. Bezrodnykh} and \textit{V. I. Vlasov}, Comput. Math. Math. Phys. 60, No. 11, 1839--1854 (2020; Zbl 07283501); translation from Zh. Vychisl. Mat. Mat. Fiz. 60, No. 11, 1898--1914 (2020)
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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
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\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)
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Shafarevich, A. I.; Shchegortsova, O. A.
Semiclassical asymptotics of the solution to the Cauchy problem for the Schrödinger equation with a delta potential localized on a codimension 1 surface. (English. Russian original) Zbl 07282939
Proc. Steklov Inst. Math. 310, 304-313 (2020); translation from Tr. Mat. Inst. Steklova 310, 322-331 (2020).
Reviewer: Alain Brillard (Riedisheim)
MSC:  35Q41 81Q05 81Q10 81Q20 53D12 35B40
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\textit{A. I. Shafarevich} and \textit{O. A. Shchegortsova}, Proc. Steklov Inst. Math. 310, 304--313 (2020; Zbl 07282939); translation from Tr. Mat. Inst. Steklova 310, 322--331 (2020)
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Dobrokhotov, S. Yu.; Nazaikinskii, V. E.
Lagrangian manifolds and efficient short-wave asymptotics in a neighborhood of a caustic cusp. (English. Russian original) Zbl 07270830
Math. Notes 108, No. 3, 318-338 (2020); translation from Mat. Zametki 108, No. 3, 334-359 (2020).
MSC:  70H 81Q 53D 37J 81T
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\textit{S. Yu. Dobrokhotov} and \textit{V. E. Nazaikinskii}, Math. Notes 108, No. 3, 318--338 (2020; Zbl 07270830); translation from Mat. Zametki 108, No. 3, 334--359 (2020)
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