Knot as a complete invariant of a Morse-Smale 3-diffeomorphism with four fixed points

It is known that the topological conjugacy class of a Morse-Smale flows with unique saddle is defined by the equivalence class of the Hopf knot in $\mathbb S^2\times\mathbb S^1$ that is the projection of the one-dimensional saddle separatrix onto the basin of attraction of the nodal point, and the a...

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Veröffentlicht in:	Sbornik. Mathematics 2023, Vol.214 (8), p.1140-1152
Hauptverfasser:	Pochinka, Olga Vital'evna, Talanova, Elena Anatol'evna, Shubin, Danila Denisovich
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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