On the number of limit cycles which appear by perturbation of Hamiltonian two-saddle cycles of planar vector fields
classification
🧮 math.DS
keywords
cyclesanalytichamiltonianlimitnumbertwo-saddlevectorappear
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We find an upper bound to the maximal number of limit cycles, which bifurcate from a hamiltonian two-saddle loop of an analytic vector field, under an analytic deformation.
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