Abstract
In this paper, we present a criterion for pitchfork bifurcations of smooth vector fields based on a topological argument. Our result expands Rajapakse and Smale℉s result [15] significantly. Based on our criterion, we present a class of families of non-symmetric vector fields undergoing a pitchfork bifurcation.
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Acknowledgements
The second author was supported by the Smale Institute. This work was finished during the third author℉s stay in Graduate Center of City University of New York.
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In Memory of Professor Shantao Liao
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Pujals, E., Shub, M. & Yang, Y. Stable and non-symmetric pitchfork bifurcations. Sci. China Math. 63, 1837–1852 (2020). https://doi.org/10.1007/s11425-019-1758-5
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DOI: https://doi.org/10.1007/s11425-019-1758-5