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Flows with collective dynamics on a sphere
(2021) Андрій Прус, Олександр Пришляк, Софія Гурака
In this article different properties of flow codes are studied and a diagram is constructed as a whole topological invariant of them. In particular, flows with no more than 6 saddles are described. Two types of simple bifurcations: positive and negative – are considered as well. Summarizing the results on compact surfaces with boundary remains an interesting question for future works.