Preprint of the project: SFB 701: Spectral Structures and Topological Methods in Mathematics - Project B3Numerical Analysis of equivariant evolution equations10-025 Joseph Paez. We construct a theory-based numerical method for starting the continuation of homoclinic tangencies near 1 : 1 resonances, for systems with arbitrary dimension ≥ 2. The core of the method is numerical center manifold reduction and flow approximation. The reduction is implemented by means of the homological equation. The starting procedure is applied in numerical examples.
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