Marar–Mond conjecture on good real perturbations

Let f:(Cn,0)(Cn+1,0)f:(\mathbb{C}^n,0)\to(\mathbb{C}^{n+1},0) admit a good real perturbation fsRf_s^{\mathbb{R}}, meaning that the changes in homology caused by the perturbation can be observed in its real image. Let fsf_s be the complexification of fsRf_s^{\mathbb{R}}. Marar–Mond conjecture. The image of fsRf_s^{\mathbb{R}} and the image of fsf_s are homotopy equivalent. The conjecture concerns the relationship between the topology of real perturbation images and their complexifications; the source abstract states that it is proved for singularities from Cn\mathbb{C}^n to Cn+1\mathbb{C}^{n+1}, so it is solved in the setting asserted here.

Sources & referencesView supporting material

Primary source

Ignacio Breva Ribes and R. Giménez Conejero, “Good real images of complex maps”, arXiv:2411.05701 (2024).

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