Existence conjecture for real morsifications of plane curve singularities

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Let (C,z)(C,z) be a real plane curve singularity. A real morsification is a real deformation of (C,z)(C,z) whose nearby singularities are ordinary double points and whose real part has the required morsification properties.

Existence conjecture. Every real plane curve singularity possesses a real morsification.

The preceding theorem establishes this for singularities satisfying an admissibility condition along each non-real tangent line at every real point of the minimal resolution tree. The conjecture asks whether the same existence statement holds without that restriction.

References

Primary source

Peter Leviant and Eugenii Shustin, “Morsifications of real plane curve singularities”, arXiv:1703.05510 (2019).

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