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On Parameter Space of Complex Polynomial Vector Fields in C

Abstract : The space Ξd of degree d single-variable monic and centered complex polyno- mial vector fields can be decomposed into loci in which the vector fields have the same topological structure. This paper analyzes the geometric structure of these loci and describes some bifurcations. In particular, it is proved that new homoclinic separatrices can form under small perturbation. By an example, we show that this decomposition of parameter space by combinatorial data is not a cell decomposition. The appendix to this article, joint work with Tan Lei, shows that landing separatrices are stable under small perturbation of the vector field if the multiplicities of the equilibrium points are preserved.
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Submitted on : Thursday, May 28, 2015 - 2:52:28 PM
Last modification on : Wednesday, October 20, 2021 - 3:18:53 AM
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  • HAL Id : hal-01027414, version 1



Kealey Dias, Lei Tan. On Parameter Space of Complex Polynomial Vector Fields in C. 2014. ⟨hal-01027414⟩



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