MathDB3 problems
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Teissier's equimultiplicity conjecture for μ-constant families
Teissier's conjecture. Any -constant family of isolated hypersurface singularities is equimultiple.
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Degtyarev's conjecture on irreducible sextics and Alexander polynomials
Degtyarev's conjecture. Up to equisingular deformation, is determined by its set of singularities and its Alexander polynomial.
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Extension of straight equisingular deformation results to good characteristic
The paper studies plane curve singularities over an algebraically closed field and distinguishes positive characteristics according to whether they are good or bad for the deformat…