Bi-Lipschitz equivalence conjecture at the boundary of extra-nice dimensions

Let (n,p)(n,p) lie on the boundary of the extra-nice dimensions. Consider generic immersions

g,g:(Cp,0)(Cp+1,0).g,g':(\mathbb C^{p},0)\to(\mathbb C^{p+1},0).

Suppose these immersions define germs

f,f:(Cn,0)(Cp,0).f,f':(\mathbb C^{n},0)\to(\mathbb C^{p},0).

Two immersions are bi-Lipschitz KV\mathcal{K}_{V}-equivalent when they are equivalent under the corresponding bi-Lipschitz contact equivalence preserving the relevant variety VV.

Boundary extra-nice-dimensions conjecture. Any two generic immersions gg and gg' are bi-Lipschitz KV\mathcal{K}_{V}-equivalent, and the germs ff and ff' they define are bi-Lipschitz A\mathcal{A}-equivalent.

The source notes that the relevant families are topologically trivial, while Whitney equisingularity and bi-Lipschitz triviality remain open at the boundary of the extra-nice dimensions. The conjecture asks for the corresponding uniform bi-Lipschitz classification.

Sources & referencesView supporting material

Primary source

Maria Aparecida Soares Ruas, “Old and new results on density of stable mappings”, arXiv:2201.03888 (2022).

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