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Basov, V. V.; Chermnykh, A. S.
Two-dimensional homogeneous cubic systems: classification and normal forms. VI. (English. Russian original) Zbl 07311057
Vestn. St. Petersbg. Univ., Math. 53, No. 3, 248-260 (2020); translation from Vestn. St-Peterbg. Univ., Ser. I, Mat. Mekh. Astron. 7(65), No. 3, 377-391 (2020).
MSC:  34C20
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\textit{V. V. Basov} and \textit{A. S. Chermnykh}, Vestn. St. Petersbg. Univ., Math. 53, No. 3, 248--260 (2020; Zbl 07311057); translation from Vestn. St-Peterbg. Univ., Ser. I, Mat. Mekh. Astron. 7(65), No. 3, 377--391 (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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Buchstaber, V. M.; Tertychnyi, S. I.
Group algebras acting on the space of solutions of a special double confluent Heun equation. (English. Russian original) Zbl 07283648
Theor. Math. Phys. 204, No. 2, 967-983 (2020); translation from Teor. Mat. Fiz. 204, No. 2, 153-170 (2020).
MSC:  82D55 81R10 34M35
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\textit{V. M. Buchstaber} and \textit{S. I. Tertychnyi}, Theor. Math. Phys. 204, No. 2, 967--983 (2020; Zbl 07283648); translation from Teor. Mat. Fiz. 204, No. 2, 153--170 (2020)
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da Costa, Diogo Ricardo; Palmero, Matheus S.; Méndez-Bermúdez, J. A.; Iarosz, Kelly C.; Szezech, José D. jun.; Batista, Antonio M.
Tilted-hat mushroom billiards: web-like hierarchical mixed phase space. (English) Zbl 07281814
Commun. Nonlinear Sci. Numer. Simul. 91, Article ID 105440, 9 p. (2020).
Reviewer: Daniel Jaud (München)
MSC:  37C83 37C35 37J40 70K55
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\textit{D. R. da Costa} et al., Commun. Nonlinear Sci. Numer. Simul. 91, Article ID 105440, 9 p. (2020; Zbl 07281814)
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Kulikov, A.; Kulikov, D.
Local bifurcations in the generalized Cahn-Hilliard equation. (English) Zbl 1453.35021
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, 167-179 (2020).
MSC:  35B32 35K35 35K58 37L10
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\textit{A. Kulikov} and \textit{D. Kulikov}, Springer Proc. Math. Stat. 333, 167--179 (2020; Zbl 1453.35021)
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Gerlach, Raphael; Ziessler, Adrian
The approximation of invariant sets in infinite dimensional dynamical systems. (English) Zbl 07271593
Junge, Oliver (ed.) et al., Advances in dynamics, optimization and computation. A volume dedicated to Michael Dellnitz on the occasion of his 60th birthday. Cham: Springer (ISBN 978-3-030-51263-7/hbk; 978-3-030-51264-4/ebook). Studies in Systems, Decision and Control 304, 66-85 (2020).
Reviewer: Mohammad Sajid (Buraidah)
MSC:  37M21 37M22 37L10 37C79 35K57
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\textit{R. Gerlach} and \textit{A. Ziessler}, Stud. Syst. Decis. Control 304, 66--85 (2020; Zbl 07271593)
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Ledesma-Durán, Aldo; Aragón, José Luis
Spatio-temporal numerical solutions of the coupled real and complex Ginzburg-Landau amplitude equations for one-dimensional systems near the Turing-Hopf bifurcation. (English) Zbl 1450.35245
Commun. Nonlinear Sci. Numer. Simul. 83, Article ID 105145, 12 p. (2020).
MSC:  35Q56 35B32 35B36 37L10 42A38 65T50
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\textit{A. Ledesma-Durán} and \textit{J. L. Aragón}, Commun. Nonlinear Sci. Numer. Simul. 83, Article ID 105145, 12 p. (2020; Zbl 1450.35245)
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