Realisation of formal invariant curves for algebraically isolated vector fields

Let XX be a smooth germ of vector field at the origin of Rn\mathbb{R}^{n} with an algebraically isolated singularity, and suppose it has a formal invariant curve γ^E^1n\hat{\gamma}\in\hat{\mathcal{E}}_{1}^{n}. Realisation conjecture. There exists γE1n\gamma\in\mathcal{E}_{1}^{n} such that

T0γ=γ^T_{\underline{0}}\gamma=\hat{\gamma}

and γ\gamma is an invariant curve of XX. The preceding planar theorem establishes the analogous assertion in dimension two; the statement proposes the corresponding general realisation result in arbitrary dimension.

Sources & referencesView supporting material

Primary source

D. Cerveau and D. Garba Belko, “Théorèmes de Borel avec contraintes”, arXiv:1710.09322 (2017).

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