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Oliveira de Silva, Diogo; Quilodrán, Renéhttps://www.zentralblatt-math.org/math/correction/
Global maximizers for adjoint Fourier restriction inequalities on low dimensional spheres. (English) Zbl 07306988
J. Funct. Anal. 280, No. 7, Article ID 108825, 74 p. (2021).
MSC:  35A23 35B38 33C10 42B10 42B37 45C05 51M16
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\textit{D. Oliveira de Silva} and \textit{Renéhttps://www. z. math. o. Quilodrán}, J. Funct. Anal. 280, No. 7, Article ID 108825, 74 p. (2021; Zbl 07306988)
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Korotyaev, E. L.; Sloushch, V. A.
Asymptotics and estimates for the discrete spectrum of the Schrödinger operator on a discrete periodic graph. (English. Russian original) Zbl 07296445
St. Petersbg. Math. J. 32, No. 1, 9-29 (2021); translation from Algebra Anal. 32, No. 1, 12-39 (2020).
MSC:  35P20 35R02 39A12
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\textit{E. L. Korotyaev} and \textit{V. A. Sloushch}, St. Petersbg. Math. J. 32, No. 1, 9--29 (2021; Zbl 07296445); translation from Algebra Anal. 32, No. 1, 12--39 (2020)
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Gürbüz, Ferit; Ding, Shenghu; Huili, Han; Long, Pinhong
Characterizations of rough fractional-type integral operators on variable exponent vanishing Morrey-type spaces. (English) Zbl 07315816
Dutta, Hemen (ed.), Topics in contemporary mathematical analysis and applications. Boca Raton, FL: CRC Press (ISBN 978-0-367-53266-6/hbk; 978-1-003-08119-7/ebook). Mathematics and its Applications: Modelling, Engineering, and Social Sciences, 95-123 (2020).
MSC:  42B20 42B25 42B35 26A33 42-02
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\textit{F. Gürbüz} et al., in: Topics in contemporary mathematical analysis and applications. Boca Raton, FL: CRC Press. 95--123 (2020; Zbl 07315816)
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Dzhangibekov, Gulkhodzha; Odinabekov, Dzhazur Muzofirovich
On the Noether theory of two-dimensional singular operators and applications to boundary-value problems for systems of fourth-order elliptic equations. (Russian. English summary) Zbl 07312510
Vestn. Samar. Univ., Estestvennonauchn. Ser. 26, No. 1, 7-13 (2020).
MSC:  30 30G 35J 35A 35
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\textit{G. Dzhangibekov} and \textit{D. M. Odinabekov}, Vestn. Samar. Univ., Estestvennonauchn. Ser. 26, No. 1, 7--13 (2020; Zbl 07312510)
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Basov, V. V.; Bibikov, Yu. N.
On the stability of the nonlinear center under quasi-periodic perturbations. (English. Russian original) Zbl 07311029
Vestn. St. Petersbg. Univ., Math. 53, No. 2, 174-179 (2020); translation from Vestn. St-Peterbg. Univ., Ser. I, Mat. Mekh. Astron. 7(65), No. 2, 269-276 (2020).
MSC:  34D20 34C05
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\textit{V. V. Basov} and \textit{Yu. N. Bibikov}, Vestn. St. Petersbg. Univ., Math. 53, No. 2, 174--179 (2020; Zbl 07311029); translation from Vestn. St-Peterbg. Univ., Ser. I, Mat. Mekh. Astron. 7(65), No. 2, 269--276 (2020)
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Medvedeva, N. B.
The problem of distinguishing between a centre and a focus in the space of vector fields with given Newton diagram. (English. Russian original) Zbl 07307990
Sb. Math. 211, No. 10, 1399-1446 (2020); translation from Mat. Sb. 211, No. 10, 50-97 (2020).
Reviewer: Alexey O. Remizov (Moskva)
MSC:  34C05 34C20 34D20
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\textit{N. B. Medvedeva}, Sb. Math. 211, No. 10, 1399--1446 (2020; Zbl 07307990); translation from Mat. Sb. 211, No. 10, 50--97 (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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Khachatryan, Khachatur Agavardovich; Petrosyan, Aĭkanush Sabelovna
On alternating and bounded solutions of one class of integral equations on the entire axis with monotonic nonlinearity. (Russian. English summary) Zbl 07294558
Vestn. Samar. Gos. Tekh. Univ., Ser. Fiz.-Mat. Nauki 24, No. 4, 644-662 (2020).
MSC:  45G05
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\textit{K. A. Khachatryan} and \textit{A. S. Petrosyan}, Vestn. Samar. Gos. Tekh. Univ., Ser. Fiz.-Mat. Nauki 24, No. 4, 644--662 (2020; Zbl 07294558)
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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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