Abstract
The techniques from singularity theory are applied to the multiparameter bifurcation problem. The classification of (D4, S1)-equivariant bifurcation problems with topological codimension less than or equal to 2 is given. The corresponding recognition conditions are set up.
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Gao, S., Li, Y. Classification of (D4, S1)-equivariant bifurcation problems up to topological codimension 2. Sci. China Ser. A-Math. 46, 862–871 (2003). https://doi.org/10.1360/02ys0217
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DOI: https://doi.org/10.1360/02ys0217